16. The person _____ you were talking to was an American.
A. who B. whom
C. which D. as
17. She _____ playing volley-ball very much.
A. has B. wants
C. lets D. enjoys
18. Most of the people _____ to her party were her old friends.
A. Invited B. to invited
C. being invited D. inviting
19. _____ from the moon, the earth with water _____ seventy percent of its surface.
A. See/covered B. Seeing/covering
C. Seen/covering D. To see/to cover
20. The fact _____ doctors recommend that children with hypertension(过度紧张)drink coffee is surprising.
A. what B. is that
C. that D. of
21. I can never forget the day _____ I first came to college.
A. when B. in which
C. at which D. which
22. I can never forget the day _____ we spent together.
A. when B. in which
C. at which D. which
23. The reason _____ he failed the exam was _____ he had not worked hard.
A. why……if B. why……that
C. that……why D. why……what
24. When you called me this morning, I _____ the newspaper.
A. read B. was reading
C. reads D. have read
25. _____ to get there on time， we walked as fast as we could.
A. hoping B. to hope
C. hoped D. being hoped
26. Walking along the river, he heard someone _____ for help.
A. shouting B. shout
C. shouted D. having shouted
27. My vacation begins next Tuesday, _____ I will leave for Flofida.
A. which B. that
C. while D. when
28. He has made another wonderful discovery, _____ of great importance to science.
A. which I think it is B. of which I think is
C. I think which is D. which I think is
29. I decided to buy a car because we had sold _____ we had in England before leaving.
A. that B. the other
C.which D. the one
30. The investigation, _____ will soon be published, was made by John.
A. at which the results B. the results on which
C. whose results D. at whose results
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