—Why does the lake smell terrible? —Because large quantities of water__________.

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• 1---That must have been a terrible experience． ---Yeah．I ________ in the damaged car，unable to move．

  A.was stuck

  B.have been stuck

  C.am stuck

  D.had been stuck．

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• 2China's icebreaker Xuelong  ______  by heavy floes since Friday after rescuing passengers on a Russian vessel stranded in Antarctic

  A.A.has been trapped

  B.had been trapped

  C.has trapped

  D.was trapped

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• 3--I left my handbag on the train, but luckily someone gave it to a railway official. --How unbelievable to get it back! I mean, someone _________it.

  A.will have stolen

  B.might have stolen

  C.should have stolen

  D.must have stolen

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• 4All the scientific evidence ________ that increasing use of chemicals in farming ________ damaging our health.(2012·湖南)

  A.show；are

  B.shows；are

  C.show；is

  D.shows；is

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• 5Mr. Smith ______ the grammar book meant for senior high school students and will almost finish it.

  A.was writing

  B.has written

  C.has been writing

  D.has been written

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• 6The hotel in the town wasn't particularly good, but I ________ in many worse hotels.

  A.was staying

  B.stayed

  C.would stay

  D.had stayed

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• 7The woman insisted that she ______ the mobile phone but none of the supermarket guards would believe her.

  A.should not have stolen

  B.should not steal

  C.not have stolen

  D.had not stolen

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• 8I won't buy this iPhone unless the price ________ to under 2,000 yuan.

  A.reduces

  B.will be reduced

  C.has reduced

  D.is reduced

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• 9The vegetables in his field ________ well, because they are pollutionfree.

  A.are selling

  B.have been sold

  C.are sold

  D.sell

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• 10--- Hurry up! We have to get going. --- Just a minute. I ________the paper.

  A.finish

  B.finished

  C.have finished

  D.am finishing

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