16. Tom make up his mind to get a seat for the football match ________ it means standing in a queue all night.
A. as if B. as though C. even if D. whatever
17. The roof fell ________ he had time to dash into the house to save his baby.
A. as B. after C. until D. before
18. Doing your homework is a sure way to improve your test scores, and this is especially true ________ it comes to classroom tests.
A. as B. since C. when D. after
19. I have been keeping that photo ________ I can see it every day, as it always reminds me of my college days.
A. which B. where C. whether D. when
20. You may borrow this book ________ you promise to give it back.
A. in case B. so long as C. as if D. even if
21. ________ the man grew older, he lost interest in everything except gardening.
A. With B. Since C. While D. As
22. ________ you understand this rule, you’ll have no further difficulty.
A. Once B. Unless C. As D. Until
23. I had no sooner got back to the kitchen ________ the door-bell rang loud enough to wake the dead.
A. when B. than C. as D. while
24. I criticized him, you know, not ________ I hate him but ________ I love him.
A. because; because B. because; for C. for; because D. for; for
25. ________ he studies hard, he will never pass the examination.
A. If B. Unless C. Even if D. Even though
26. She worked hard ________ everything would be ready by the time he came back.
A. since B. so that C. as if D. unless
27. He waited ________ the volcano became quiet and he was able to return two days later.
A. when B. before C. as D. until
28. — May I go and play football with Dick this afternoon, Dad?
— No, you can’t go out ________ your work is being done.
A. before B. until C. as D. after
29. A warning news report from Qatar announces that a group of Islam will continue to kill Americans wherever they are ________ they leave the Arab world forever.
A. even though B. in case C. whenever D. until
30. I was so familiar with her that I recognized her voice ________ I picked up the phone.
A. the moment B. after C. before D. while