________ is known to everybody that the moon ________ round the earth once every month.

试卷相关题目

• 1We all took ________for granted that he would agree with us.

  A.him

  B.that

  C.it

  D.what

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• 2________ is of great importance for us to obey traffic rules.

  A.It

  B.That

  C.This

  D.There

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• 3He believed ________ for them to solve the problem in such a short time.

  A.that is hard

  B.it hard

  C.it hardly

  D.that hard

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• 4I think ________ useful for us to listen to English programs on the radio.

  A.it

  B.its

  C.this

  D.that

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• 5_____ struck her that she should telephone the college to ask if she had been admitted.

  A.They

  B.This

  C.That

  D.It

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• 6It is too dusty in the sky for the scientists on the earth ________ the outer space.

  A.to study

  B.not to study

  C.for studying

  D.to be studied

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• 7We all find ________ helpful to read English every morning.

  A.it

  B.that

  C.this

  D.very

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• 8How long will________ take us to finish the work?

  A.this

  B.that

  C.they

  D.it

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• 9They live on a busy road．________ must be a lot of noise.

  A.There

  B.It

  C.That

  D.This

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• 10I find ________ necessary to inform him earlier.

  A.that

  B.this

  C.one

  D.it

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