21.—Do you think we’ll still catch the train?
— Well, we won’t we walk faster.
A. as B. unless C. until D. no matter how
22. —Do you mind if I smoke here?
— .
A. No, please don’t B. Yes, please
C. No, not at all D. Yes, if you like
23. —May I move your bag a little and take this seat?
— .
A. I don’t mind B. Go ahead C. It doesn’t matter D. You do it, please
24. —When will you be free this month, Mr. White?
— , maybe we’ll be free next Sunday.
A. Let me be B. Let me see C. Think it over D. I’m afraid
25. —May I come to attend your lecture?
— .
A. No, you’d better not come B. Sure
C. It’s not worth listening to D. My pleasure
26. He said he had bought dictionary week before, and
dictionary was great help to him.
A. a…the…the…a B. a…/…the…/
C. a…/…/…a D. the…the…the…the
27. Mr. Brown, together with his students, to the Science Museum.
A. has gone B. are going C. have gone D. have been
28. Although he was in a hurry, he stopped the old man to carry the heavy box.
A. helping B. to help C. being helped D. helped
29. During the holidays I shall help my father .
A. with working B. with his work C. for work D. for working
30. —Where on earth do we get light and heat?
—It is from the sun we get them.
A. which B. on which C. where D. that
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