1. The teacher affirmed that these students_____ the exam.
A. have passed B. did pass C. pass D. passing
2. The despair_____ him in a very short time.
A. is weakened B. weakening C. did weaken D. weaken
3. _____ in a mosquito-net.
A. Sleep B. Do sleep C. Sleeping D. To sleep
4. Smoking_____ the health of the smokers.
A. damaging B. damage C. did damage D. does damage
5. The president____ will investigate the case tomorrow.
A. himself B. itself C. oneself D. by himself
6. She_____ here yesterday. I am sure of that.
A. does come B. came C. did come D. would come
7. These school children_____ what they had to do.
A. knew B. do know C. did know D. knows
8. Never_____ that poem.
A. do I have read B. I read C. have I read D. I have read
9. No sooner_____ than he begins to cry.
A. was a human being born B. has a human being born
C. is a human being born D. a human being was born
10. Seldom_____ allowed to do that.
A. I am B. am I C. I have been D. I can be
11. After each chapter in this book____ found the pages where reference material may be included.
A. are B. is C. has D. have
12. The new school principal_____ my uncle’s name. The emphatic sentence is_____.
A. knew B. do know C. does know D. knows
13. Never before____ such a demonstration.
A. they witness B. they have witnessed
C. had they witnessed D. they had witnessed
14. Only by inhaling ether himself_____ its effects on human being.
A. he could ascertain B. he did ascertain
C. he ascertained D. could he ascertain
15. The fairy_____ a jade bowl into the sea.
A. does drop B. do drop C. drop D. did drop
16. The long ridge of cliffs_____ a dragon’s crest.
A. does resemble B. do resemble C. resemble D. is resemble
17. _____ us draw in that net, please.
A. does help B. do helps C. do help D. did helped
18. It_____ only