It's high time that we _____ measures to stop selling polluted vegetables.

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• 1---- What's that noise?  ---- Oh, I forgot to tell you. The new machine ______.

  A.was tested

  B.will be tested

  C.is being tested

  D.has been tested

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• 2It ____________ long before we ____________ the result of the experiment．

  A.will not be；will know

  B.is；will know

  C.will not be；know

  D.is; know

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• 3Last month, the Japanese government expressed their thanks for the aid they ______ from Chin

  A.A.receive

  B.had received

  C.have received

  D.are receiving

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• 4If you ______ a fresh mind for an interview, be sure to have a good sleep the night before it.

  A.will have

  B.have had

  C.are having

  D.are to have

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• 5–Were you at school when he came to see you? –Yes, I ______ a math class.

  A.was having

  B.had

  C.am having

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• 6If you _____ him yesterday, you _____ what to do now.

  A.asked … would know

  B.had asked … would have known

  C.asked him … know

  D.had asked … would know

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• 7—Allan looks tired out. —Sure. He ______  in the gym for two hours.

  A.works out

  B.had worked out

  C.has been working out

  D.was working out

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• 8Jack could have avoided that terrible car accident, but he ________ careful enough.

  A.is not

  B.was not

  C.hasn't been

  D.hadn't been

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• 9------ Kate and Lucy are twins. ------ Oh, I ______ why they looked so alike.

  A.wonder

  B.have wondered

  C.was wondering

  D.had wondered

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• 10I didn't know Jane ________in Paris. How long ______here?

  A.is; does she live

  B.was; has she been

  C.has been; is she

  D.were; has she come

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