It was more than fifteen years ago ________ I entered the laboratory of Professor Agassiz.

试卷相关题目

• 1I think ________ our duty ________ those people in trouble.

  A.it; to help

  B.it; helping

  C.this; to help

  D.that; helping

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• 2______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.

  A.As

  B.That

  C.This

  D.It

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• 3________that people can control fires.

  A.This is hoped

  B.It hopes

  C.It is hoped

  D.That hopes

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• 4He feels ________his duty to help others.

  A.that

  B.this

  C.those

  D.it

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• 5The students find _________important to read English every morning.

  A.that

  B.it

  C.it is

  D./

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• 6I think ________necessary to make such a good plan.

  A.they

  B.them

  C.it

  D.its

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• 7Does ________ matter if We Can't remember all the new words?

  A.this

  B.that

  C.he

  D.it

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• 8________ electricity plays such an important part in our daily life?

  A.Why was it that

  B.Why is it that

  C.Why is it

  D.Why it is that

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• 9Is it true _________ he stole the watch?

  A.when

  B.why

  C.where

  D.that

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• 10________ is very difficult for us ________ so much work in so little time.

  A.It; finish

  B.It; finishing

  C.He; to finish

  D.It; to finish

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