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33、The little boy showed great interest __________ chemistry when he was doing the experiment __________ the first time.

A. in; for      B. on; for      C. in; on       D. for; at

32、The bird flu __________ through the world has jumped from birds to humans and has caused some deaths.

   A. sweeps      B. swept      C. sweep      D. sweeping

31、―______.

―I think quite the opposite.

      A. She must be quite satisfied with the progress that has been made.

      B. If you have any question, don’t hesitate to call me!

      C. I wonder if you could come over and help me a while. I just can’t manage it.

      D. Nobody knows what he means. He just keeps his mouth closed all the day.

30、―______.

―I think quite the opposite.

      A. She must be quite satisfied with the progress that has been made.

      B. If you have any question, don’t hesitate to call me!

      C. I wonder if you could come over and help me a while. I just can’t manage it.

      D. Nobody knows what he means. He just keeps his mouth closed all the day.

29、We must ______ of him whether he has heard from her recently.

      A. require                      B. ensure                       C. remind                D. demand

28、 Can it have been on the sports ground _______ you lost your watch yesterday?

      A. on which                   B. where                       C. that                     D. what

27、The young lady prefers dressing up for a party to ______ by others.

      A. be noticed                                                     B. being noticed      

      C. having been noticed                                        D. have been noticed

26、The secret of his success is that he does everything ______.

      A. curiously                   B. sensitively                 C. efficiently           D. imperfectly

25、My father ______ have a large farm and he liked it very much.

      A. would                       B. used to                      C. could                  D. ought to