________ happened that Mary knew the stranger.

试卷相关题目

• 1I find ________ necessary to inform him earlier.

  A.that

  B.this

  C.one

  D.it

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• 2They live on a busy road．________ must be a lot of noise.

  A.There

  B.It

  C.That

  D.This

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• 3How long will________ take us to finish the work?

  A.this

  B.that

  C.they

  D.it

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• 4We all find ________ helpful to read English every morning.

  A.it

  B.that

  C.this

  D.very

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• 5It 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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• 6Do you think ________ important for us to master at least one foreign language?

  A.this

  B.that

  C.it

  D.how

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• 7________ hard water does not mix with soap .

  A.that is a well-known fact

  B.That is a well-known fact in which

  C.It is a well-known fact that

  D.It is a well known that

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• 8Is ________ difficult for the children to finish the work before Friday?

  A.that

  B.this

  C.it

  D.what

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• 9I take ________ that we are to leave early.

  A.this

  B.why

  C.it

  D.which

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• 10Was ________ because he was very ill that he asked for leave?

  A.this

  B.he

  C.it

  D.that

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