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

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• 1— Flight 302 to Paris ________ until 7:30 tomorrow morning.— No wonder I hear so many complaints from the passengers.

  A.put off

  B.has been put off

  C.will put off

  D.had been put off

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• 2— Will you attend the meeting this afternoon?— But I ________ told anything about it.

  A.wasn't

  B.am not

  C.haven't been

  D.won't be

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• 3________information_________stored in this computer.     

  A.Large quantities of; have been

  B.A great many; has been

  C.A large quantity; are

  D.Quite a lot; is

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• 4—Why does the lake smell terrible?   —Because large quantities of water ________.  

  A.have polluted

  B.is being polluted

  C.has been polluted

  D.have been polluted

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• 5It is said that a new robot ______ by him in a few days.

  A.designed

  B.has been designed

  C.will be designed

  D.will have been designed

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• 6Two thirds of the subway construction________so far and people will enjoy a fast and convenient trip under the city early next year.

  A.have been completed

  B.is being completed

  C.has been completed

  D.will be completed

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• 7As we all know, the next summer Olympic Games _____ in London in 2012.

  A.will hold

  B.will be held

  C.is to hold

  D.are held

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• 8In the near future, more advances in the robot technology _____ by scientists.

  A.are making

  B.are made

  C.will make

  D.will be made

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• 9When you get the paper back, pay special attention to what _______ .      

  A.have marked

  B.have been marked

  C.had marked

  D.had been marked

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• 10When and where to go for the on-salary holiday ____yet.

  A.are not decided

  B.have not been decided

  C.is not been decided

  D.has not been decided

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