. In the rainforest of the Amazon, 50 to 150 plant species _____ every day.

试卷相关题目

• 1Great changes _________ in China in the last two decades.

  A.have taken place

  B.took place

  C.have been taken place

  D.are taking place

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• 2—I wonder if you could go to the movie with me. —Oh, just leave me alone. I _______ a composition all the morning and haven't finished yet.

  A.write

  B.was writing

  C.have written

  D.have been writing

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• 3I remember putting the tape recorder in the corner, but what _______ it?

  A.has happened on

  B.has become of

  C.has happened

  D.has taken

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• 4The subway _______in our city, and I'm sure there will be fewer traffic jams in the future.

  A.is building

  B.is built

  C.is being built

  D.will build

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• 5A new supermarket ______ here. They hope to finish it next month.

  A.will build

  B.is built

  C.has been built

  D.is being built

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• 6—How did your students express their thanks to you on Teachers' Day? —A gift together with many flowers _______ sent to me .

  A.was

  B.am

  C.have been

  D.had been

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• 72008 was a great year，since when it ______great changes in China．

  A.saw

  B.had seen

  C.has seen

  D.was seeing

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• 8The No. 8 bus _______ to Chengdu college of Geology, and not to Sichuan University.

  A.are gone

  B.is being gone

  C.goes

  D.are going

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• 9－Why is you professor so happy recently? －Because the theory she insisted on__________correct.

  A.is proved

  B.proving

  C.was proved

  D.has proved

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• 10To our delight, up till now, the European Union, Japan, and Russia ________ their targets for CO2 emissions (排放).

  A.give

  B.have given

  C.give

  D.gave

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