题目内容

27. No sooner had we reached the top of the hill _____ we all sat down to rest.

A. when
B. then
C. than
D. until

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28. San Francisco is usually cool in the summer, but Los Angeles _____ .

A. is rarely
B. rarely is
C. hardly is
D. is scarcely

29. Our teacher recommends that we _____ as attentive as possible when we visit the museum.

A. are
B. shall be
C. were
D. be

30. Nuclear science should be developed to benefit the people _____ harm them.

A. more than
B. other than
C. rather than
D. better than

Section BDirections: There are 5 incomplete statements here. You should fill in each blank with the proper form of the word given in the brackets.31. He is unable to answer the questions about the new text. He should (preview) _____ it yesterday.32. If either of you (take) _____ a vacation now, we will not be able to finish the work.33. He is an honest official and never accepted any gifts from people who (seek) _____ his help.34. The opinions (express) _____ in the editorial section of that newspaper are usually conservative.35. It must (be) _____ around nine o'clock when I drove back home because it was already dark.

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