Air pollution is really a big problem here, but nobody knows ________ to do about it.

试卷相关题目

• 1You must promise that on no condition ________ my secret.

  A.will you let out

  B.you will let out

  C.you are to let out

  D.you would let out

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• 2The reason why he was late for meeting is ________he had to take his mother to the hospital.

  A.because

  B.that

  C.as

  D.for

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• 3It is good news ________ they will arrive in a few days.

  A.which

  B.what

  C.that

  D.how

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• 4The mother told the boy ________ the sun ________ the east.

  A.if; rise from

  B.that: rose in

  C.whether; rose from

  D.that; rises in

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• 5Scientists believe that the first inhabitants of the America arrived by crossing the land bridge that connected Siberia and ________ more than 10,000 years ago.

  A.this is Alaska now

  B.Alaska is now

  C.is now Alaska

  D.what is now Alaska

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• 6Mathilde had worked hard for ten years． That was ________ she changed so much.

  A.why

  B.how

  C.what

  D.that

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• 7She promised that she would do ________ catch up with others.

  A.all what she could do

  B.all she could to

  C.what she could do

  D.all she could

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• 8I have no idea ________ we should consider his suggestion.

  A.that

  B.if

  C.whether

  D.what

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• 9The boy wanted to know ________ after the party.

  A.why to go

  B.where to go to

  C.where to go

  D.where would he go

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• 10The reason ________ he was late was ________ he was caught in a heavy rain.

  A.why; that

  B.why; because

  C.that; that

  D.because; because

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