Every possible means _＿＿__ to prevent the air pollution, but the sky is still not clear．

试卷相关题目

• 1— What do you think of the bottled water? — I don't like it at all. It is reported that much nutrition, including some minerals, ______ while it is being processed.

  A.are ridded of

  B.are gotten rid of

  C.gets rid of

  D.is ridded of

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• 2---Where's the little elephant? ---It's said it __＿＿_ in the hospital.

  A.was examined

  B.will be examined

  C.is being examined

  D.has been examined

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• 3Since the project has been ______ on well, you must ______ it on until it is completed.

  A.carrying, carry

  B.going, carry

  C.going, go

  D.carrying, go

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• 4Tom took out a piece of paper he ___________and started reading in a clear tone.

  A.was preparing

  B.would prepare

  C.have prepared

  D.had prepared

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• 5Before the first nonstop flight made in 1949, it__＿___ necessary for all planes to land for refueling.

  A.would be

  B.has been

  C.had been

  D.would have been

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• 6------Tom is never late for work. Why is he absent today? ------ Something _______ to him.

  A.must have happened

  B.can have happened

  C.must happen

  D.can happen

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• 7Hurry up! The train _____ .You know it _____ at 10:30

  A.m.A.leaves; leaves

  B.is leaving; leaves

  C.leaves; is leaving

  D.is leaving; leaving

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• 8Customers are asked to make sure that they _______ the right change before leaving the shop.

  A.will give

  B.have been given

  C.have given

  D.will be given

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• 9In no time ________ smoke coming out of the house.

  A.did we see

  B.we saw

  C.are we seeing

  D.we see

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• 10Our teacher told us that there ______ no end to learning.

  A.was

  B.has

  C.is

  D.have

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