25. He is a scientist, ________ a singer as well.
A. but B. nor C. or D. and
24. A lot of new buildings have been put up in our university. It is no longer the same _______ it used to be.
A. like what B. that C. as D. what
23. I was about to leave the office _______ the telephone rang.
A. when B. after C. before D. while
22. Gray didn’t recognize his old classmate ________ he was told her name.
A. when B. unless C. so D. until
21. Stop smoking, _______ you will get better soon.
A. and B. or C. that D. after
20. I think we should get this computer, _______ it will take up more space.
A. but B. although C. and D. so
19. This coat will not lose colour ________ it’s washed.
A. until B. till C. before D. after
18. I’m sorry, _______ I can’t help you with your homework.
A. and B. but C. or D. then
17. I may live _______ in a hotel _______ in a friend’s house.
A. both; and B. either; or C. neither; nor D. between; and
16. Mr Smith is an English teacher _______ will teach us English next term.
A. or B. and C. but D. so