客观题预算成绩：100 分
注意：客观题是指单选题、多选题、是非题等能自动判分的题！
详细信息：
题号:1 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Tom has been ill for a week, and his illness ___ him ___ a bit at school.
A、set...aside
B、set...back
C、set...down
D、set...up
学员答案:B
正确性:正确
题号:2 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
He has a natural ___ for painting.
A、altitude
B、gratitude
C、aptitude
D、attitude
学员答案:C
正确性:正确
题号:3 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
What he did was opposite ___ what he said.
A、at
B、to
C、in
D、for
学员答案:B
正确性:正确
题号:4 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The nurses in that hospital are very good ___ the patients there.
A、at
B、for
C、to
D、with
学员答案:C
正确性:正确
题号:5 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
He thought he could talk Mr.Robinson___buying some expensive equipment.
A、on
B、 of
C、round
D、into
学员答案:D
正确性:正确
题号:6 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
She was complaining that the doctor was ___too much for the treatment he was giving her.
A、expending
B、offering
C、costing
D、charging
学员答案:D
正确性:正确
题号:7 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Buck Helm, a retired salesman, survived___alived for 90 hours.
A、being buried
B、 having buried
C、burying
D、to be buried
学员答案:A
正确性:正确
题号:8 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The university of Maryland ___ a campaign to stop one form of cheating.
A、launched
B、formed
C、ordered
D、took
学员答案:A
正确性:正确
题号:9 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Look at ___ leaves on those trees. They have ___ beautiful color.
A、/, /
B、 the, a
C、 /,a
D、the, /
学员答案:B
正确性:正确
题号:10 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The final decision is left ___ me to make.
A、to , for , over, at
学员答案:A
正确性:正确
题号:11 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
As soon as they arrived in the town they went out to ___.
A、exploit
B、expose
C、explore
D、scan
学员答案:C
正确性:正确
题号:12 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___ her opinion, that sentence is not correct.
A、To
B、At
C、In
D、With
学员答案:C
正确性:正确
题号:13 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
After ___ class, children come to the playground on ___ Children’s Day.
A、the, the
B、 the, /
C、 /, the
D、 /, /
学员答案:D
正确性:正确
题号:14 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Man must stop ___ the earth’s atmosphere.
A、filling
B、emitting
C、polluting
D、wasting
学员答案:C
正确性:正确
题号:15 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
As a defense against air-pollution damage, many plants and animals ___substance to absorb harmful chemicals.
A、relieve
B、release
C、dismiss
D、discard
学员答案:B
正确性:正确
题号:16 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
At the end of his residency, the author ___.
A、was able to avoid any error
B、was no longer afraid of making mistakes
C、took his mistakes lightly
D、erred more frequently than before
学员答案:B
正确性:正确
题号:17 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
I never expected those few items to ___so much.
A、come out
B、 come by
C、come to
D、come at
学员答案:C
正确性:正确
题号:18 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Legal English is in sharp ___with conversational English.
A、distinction
B、 distribution
C、disturbance
D、diversion
学员答案:A
正确性:正确
题号:19 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The two stories have nothing___.
A、for common
B、with common
C、by common
D、in common
学员答案:D
正确性:正确
题号:20 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
In the past men generally preferred that their wives ___in the home.
A、worked
B、would work
C、work
D、were working
学员答案:C
正确性:正确
题号:21 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
She ___in all major newspapers for her lost son.
A、advertised
B、read
C、found
D、printed
学员答案:A
正确性:正确
题号:22 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
This is the first draft of the book. Please feel perfectly free to ___ it.
A、cope with
B、comment on
C、complain
D、confirm
学员答案:B
正确性:正确
题号:23 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
People appreciate ___ with him because he has a good sense of humor.
A、to work
B、to have worked
C、working
D、having worked
学员答案:C
正确性:正确
题号:24 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Can you help me to ___ this mathematic problem?
A、do out
B、work out
C、find out
D、deal out
学员答案:B
正确性:正确
题号:25 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Deferred payments allow customers to ___goods before they can be said to belong to them fully.
A、own
B、possess
C、hold
D、keep
学员答案:D
正确性:正确
BA
作业名称：15春《大学英语（二）》作业2
客观题预算成绩：100 分
注意：客观题是指单选题、多选题、是非题等能自动判分的题！
详细信息：
题号:1 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Can you show me your marriage___?
A、certificate
B、document
C、proof
D、evidence
学员答案:A
正确性:正确
题号:2 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Trouble was expected at the football match,so the police had to be there___.
A、in detail
B、in short
C、in force
D、in a word
学员答案:C
正确性:正确
题号:3 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Please write to ___your reservation.
A、confirm
B、conform
C、contribute
D、firm
学员答案:A
正确性:正确
题号:4 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
We ___ think seventy was a good age.
A、are used to
B、used to
C、use to
D、were used to
学员答案:B
正确性:正确
题号:5 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
There was once an ___ idea that the earth was flat and motionless.
A、absurd
B、intrinsic
C、eternal
D、offensive
学员答案:A
正确性:正确
题号:6 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
When business is ___, there is usually an obvious increase in unemployment.
A、degraded
B、lessende
C、reduced
D、depressed
学员答案:D
正确性:正确
题号:7 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
You should immediately ___, in person or by letter.
A、apply
B、request
C、seek
D、solicit
学员答案:A
正确性:正确
题号:8 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___ a bad habit is formed，it will not be easy to get rid of it.
A、Since
B、Because
C、While
D、Once
学员答案:D
正确性:正确
题号:9 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Your excuse that an elephant fell on you and made you late is just ___.
A、inevitable
B、incredible
C、indispensable
D、incurable
学员答案:B
正确性:正确
题号:10 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The Elizabethan theatre had the___of employing boys to enact the roles of women.
A、tradition
B、convention
C、custom
D、manners
学员答案:A
正确性:正确
题号:11 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
My 5-year-old daughter is really ___, she can remember everything taught to her.
A、active
B、intelligent
C、lively
D、intellectual.
学员答案:B
正确性:正确
题号:12 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Keep your___straight.
A、file
B、row
C、line
D、string
学员答案:D
正确性:正确
题号:13 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The current political ___ of our country is favourable for foreign investments.
A、climate
B、 weather
C、temperature
D、state
学员答案:A
正确性:正确
题号:14 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
He walked in ___feet.
A、bare
B、 empty
C、bald
D、bore
学员答案:A
正确性:正确
题号:15 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Louis was asked to ___the man who stole her purse.
A、confirm
B、recognize
C、claim
D、identify
学员答案:D
正确性:正确
题号:16 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
What ___ is the car when you are still a child?
A、the good
B、the use
C、the point
D、good
学员答案:D
正确性:正确
题号:17 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Has civilization___during this century?
A、advanced
B、proceeded
C、went on
D、progressed
学员答案:B
正确性:正确
题号:18 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The___plains stretch for hundreds of miles.
A、vast
B、huge
C、giant
D、enormous
学员答案:A
正确性:正确
题号:19 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Anyone who has spent time with children is aware of the difference in the way boys and girls respond to ___situations.
A、similar
B、alike
C、same
D、likely
学员答案:A
正确性:正确
题号:20 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___ receiving the gift, Einstein wrote a letter of thanks to the author immediately.
A、While
B、The moment
C、Since
D、On
学员答案:D
正确性:正确
题号:21 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Those of us who are fifty years old should get ___blood pressure checked regularly.
A、one's
B、 our
C、their
D、your
学员答案:B
正确性:正确
题号:22 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Henry looked very much ___ when he was caught cheating in the biology exam.
A、discouraged
B、embarrassed
C、disappointed
D、bewildered
学员答案:B
正确性:正确
题号:23 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Several horses escaped from the farm last night. It was a long time ___ the owner discovered what had happened.
A、before
B、Since
C、After
D、soon
学员答案:A
正确性:正确
题号:24 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
It is the duty of physicians to ___ the sick.
A、nurse
B、tend
C、mind
D、minister
学员答案:B
正确性:正确
题号:25 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Great minds have a way of looking at life ___to themselves.
A、odd
B、peculiar
C、queer
D、crazy
学员答案:B
正确性:正确
ACABA DADBA BDAAD DBAAD BBABB
作业名称：15春《大学英语（二）》作业3
客观题预算成绩：100 分
注意：客观题是指单选题、多选题、是非题等能自动判分的题！
详细信息：
题号:1 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
There is a river ___ around our school.
A、to run
B、run
C、running
D、to be running
学员答案:C
正确性:正确
题号:2 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___ maps properly, you need a special pen.
A、Drawn
B、Drawing
C、To draw
D、Be drawing
学员答案:C
正确性:正确
题号:3 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___is no possibility ___Bob can win the first prize in the match.
A、There...that
B、It...that
C、there...whether
D、It...whether
学员答案:A
正确性:正确
题号:4 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The story was___moving___ many of us shed tears.
A、such…that
B、as…as
C、so…as
D、so…that
学员答案:D
正确性:正确
题号:5 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___till she was thirty.
A、She married
B、She didn’t marry me
C、She married me
D、She married with me.
学员答案:B
正确性:正确
题号:6 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
I will go to see you___I have finished.
A、as soon as
B、while
C、before
D、as far as
学员答案:A
正确性:正确
题号:7 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
He is working hard, ___will make him pass the final exam.
A、that
B、which
C、for which
D、who
学员答案:B
正确性:正确
题号:8 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
If you smoke in a non-smoking section people ___.
A、have objected
B、objected
C、must object
D、will object
学员答案:D
正确性:正确
题号:9 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
I have bought two ballpens, ___ writes well.
A、none of them
B、neither of them
C、neither of which
D、none of which
学员答案:C
正确性:正确
题号:10 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___ his head high, the manager walked into the room to attend the meeting ___ then.
A、Holding...being held
B、Held...holding
C、Having held...held
D、 Held… be held
学员答案:A
正确性:正确
题号:11 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___the meeting should last two days or three days doesn’t matter.
A、That
B、Whether
C、If
D、 Where
学员答案:B
正确性:正确
题号:12 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Smoking, ___ is a bad habit, is, however, popular.
A、that
B、which
C、it
D、though
学员答案:B
正确性:正确
题号:13 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___appeared to me that he enjoyed the food very much.
A、What
B、It
C、All that
D、That
学员答案:B
正确性:正确
题号:14 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Is ___he said really true?
A、that
B、what
C、why
D、whether
学员答案:B
正确性:正确
题号:15 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___ in the spaceship, the spaceman saw the Great Wall of China.
A、If flew
B、If flying
C、While flew
D、While flying
学员答案:D
正确性:正确
题号:16 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The number of the people who ___ cars ___ increasing.
A、owns...are
B、owns...is
C、own...is
D、own...are
学员答案:C
正确性:正确
题号:17 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Normally, after ___ for the job, you will be required to take a language test.
A、being interviewed
B、interviewed
C、interviewing
D、having interviewed
学员答案:A
正确性:正确
题号:18 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
How long is it___I___?
A、since…arrived
B、since…has arrived
C、when…arrived
D、as…arrived
学员答案:A
正确性:正确
题号:19 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Energy is ___makes things work.
A、what
B、something
C、anything
D、that
学员答案:A
正确性:正确
题号:20 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The question is___the book was worth reading.
A、which
B、whether
C、what
D、that
学员答案:B
正确性:正确
题号:21 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
With the cooking ___ , I went on ___ some sewing.
A、done...to do
B、being done...doing
C、to be done...doing
D、to have done...doing
学员答案:A
正确性:正确
题号:22 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___caused the accident is still a complete mystery.
A、What
B、That
C、How
D、Where
学员答案:A
正确性:正确
题号:23 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
He decided not to attend the funeral___ there was a security problem.
A、because
B、 because of
C、due to
D、owing to
学员答案:A
正确性:正确
题号:24 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
There was terrible noise ___ the sudden burst of light.
A、followed
B、following
C、to be followed
D、being followed
学员答案:B
正确性:正确
题号:25 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
This is the magazine ___ I copied the paragraph.
A、that
B、which
C、from that
D、from which
学员答案:D
正确性:正确
作业名称：15春《大学英语（二）》作业4
客观题预算成绩：100 分
注意：客观题是指单选题、多选题、是非题等能自动判分的题！
详细信息：
题号:1 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
—I don’t think I can walk any further. —___, Let’s stop here for a rest.
A、Neither can I
B、Neither do I
C、I didn’t think so
D、I think so
学员答案:B
正确性:正确
题号:2 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
It is important that I ___ with Mr. Williams immediately.
A、speak
B、spoke
C、will speak
D、to speak
学员答案:A
正确性:正确
题号:3 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
To learn English well,___.
A、it must be spoken regularly
B、 practice must be needed
C、it is necessary to do much practice
D、one must do much practice
学员答案:D
正确性:正确
题号:4 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Not until I began to work ___ how much time I had wasted.
A、didn’t realize
B、did I realize
C、I didn’t realize
D、I realized
学员答案:B
正确性:正确
题号:5 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
You should bear in mind that he is not as strong as he ___.
A、was used to be
B、used to be
C、was used to
D、use to
学员答案:B
正确性:正确
题号:6 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
An exhibition of new inventions is___now.
A、being held
B、hold
C、to be held
D、holding
学员答案:A
正确性:正确
题号:7 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
They tried to book the tickets 5 days earlier. They ___ them 10 days earlier.
A、would have booked
B、might have booked
C、should have booked
D、must have booked
学员答案:C
正确性:正确
题号:8 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Measles ___ a kind of infectious illness.
A、is
B、are
C、were
D、have been
学员答案:A
正确性:正确
题号:9 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Cattle ___ on the hillside.
A、grazes
B、is grazing
C、was grazing
D、were grazing
学员答案:D
正确性:正确
题号:10 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The doctor asked Charlie to breathe deeply. ___.
A、Charlie does so
B、Charlie did so
C、So does Charlie
D、So did Charlie
学员答案:B
正确性:正确
题号:11 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
What caused the accident ___ on the road.
A、were stone
B、were stones
C、was stone
D、was stones
学员答案:D
正确性:正确
题号:12 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___ is said that this book has been translated into English.
A、What
B、It
C、That
D、Which
学员答案:B
正确性:正确
题号:13 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
It was proposed that the trip ___.
A、postpone（推迟）
B、postponed
C、be postponed
D、was postponed
学员答案:C
正确性:正确
题号:14 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The ancient Egyptians are supposed ___ rockets to the moon.
A、to send
B、to be sending
C、to have sent
D、to have been sending
学员答案:C
正确性:正确
题号:15 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Be quick! ___.
A、The bus comes here
B、The bus here comes
C、Here the bus comes
D、Here comes the bus
学员答案:D
正确性:正确
题号:16 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
This pen looks like mine, yet it isn’t. Whose ___ it be?
A、must
B、can
C、may
D、might
学员答案:B
正确性:正确
题号:17 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Tom’s score on the test is the highest in the class; he ___ last night.
A、should study
B、should have studied
C、must have studied
D、must have to study
学员答案:C
正确性:正确
题号:18 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Has it been warned that all the children in this area ___ stay at their homes until the Bird Flu has been controlled?
A、can
B、will
C、may
D、shall
学员答案:D
正确性:正确
题号:19 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
The majority of the damage ___ easy to repair.
A、is
B、are
C、were
D、be
学员答案:A
正确性:正确
题号:20 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
I set the child alone and he got lost . ---- You ___ with him .
A、should go
B、should have gone
C、would have gone
D、must go
学员答案:B
正确性:正确
题号:21 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Wisky and soda ___ his favorite drink.
A、is
B、are
C、were
D、have been
学员答案:A
正确性:正确
题号:22 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
___ snacks and drinks，but they also brought cards for entertainment when they had a picnic in the forest.
A、Not only they brought
B、Not only did they bring
C、Not only brought they
D、 Not only they did bring
学员答案:B
正确性:正确
题号:23 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Mary is one of the girls who ___ always on time.
A、is
B、am
C、are
D、was
学员答案:C
正确性:正确
题号:24 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
Her politics ___ neither conservative nor liberal.
A、is
B、are
C、was
D、has been
学员答案:B
正确性:正确
题号:25 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:4
内容:
"Bob has gone to London, I hear.""Oh, I wonder when he ___."
A、has left
B、was leaving
C、left
D、leaves
学员答案:C
正确性:正确
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