1. “May I go and play with Dick this afternoon, Mum?” “No, you can’t go out _______ your work is being done.”
A. before B. until C. as D. the moment
2. “I’m going to the post office.” “_______ you’re there, can you get me some stamps?”
A. As B. While C. Because D. If
3. After the war, a new school building was put up ______ there had once been a theatre.
A. that B. when C. which D. where
4. They kept trying _____ they must have known it was hopeless.
A. if B. because C. when D. where
5. He was about to tell me the secret ______ someone patted him on the shoulder.
A. as B. until C. when D. while
6. Why do you want a new job ______ you’ve got such a good one already?
A. that B. where C. which D. when
7. The fire went on for quite some time _______ it was brought under control.
A. when B. since C. after D. before
8. Mother asked me to take more money _______ something unexpected should happen.
A. in case B. so that C. in order that D. when
9. _______ your composition carefully, some spelling mistakes can be avoided.
A. Having checked B. Check C. If you check D. To check
10. “Shall Mary come and play computer games?” “No, _______ she has finished her homework.”
A. when B. since C. unless D. as soon as
11. “When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
A. the time B. the moment C. until D. since
12. Don’t be afraid of asking for help _______ it is needed.
A. unless B. since C. although D. when
13. “What are you going to do this afternoon?’ “I’ll probably go for a walk later on ____ it stays fine.”
A. as far as B. as long as C. even if D. as if
14. “Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
A. after B. unless C. until D. when
15. ____ you’re got a chance, you might as well make full use of it.
A. Now that B. After C. Although D. As soon as
16. Don’t play by the river _______ you fall in and drown!
A. in case B. so that C. in order that D. when
17. He is better than _______ I last visited him.
A. when B. that C. how D. which
18. _______ I can see, there is only one possible way to keep away from the danger.
A. As long as B. As far as C. Just as D. Even if
19. Mr Zhang is mild in character. He never shouts ____ he is very angry.
A. if B. even C. though D. even when
20. “How long do you suppose it is _______ he left for Japan?” “No more than half a month.”
A. when B. before C. after D. since