A new kind of drug ______ to cure H7N9 bird flu by the scientists and they are hopeful that they will succeed in a couple of weeks.

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• 1She ______ tomorrow and you had better see her off(送行).

  A.is leaving

  B.left

  C.leaves

  D.has left

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• 2Please give Jim the schedule for tomorrow's conference when he _______ back. He is to chair the conference.

  A.will come

  B.came

  C.comes

  D.is coming

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• 3－Why does the river smell terrible? －Because large quantities of water______．

  A.have been polluted

  B.is being polluted

  C.has been polluted

  D.have polluted

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• 4----Sorry to have interrupted you. Please go on. -----Where was I? -----You _____ you didn't like your father's work..

  A.had said

  B.said

  C.were saying

  D.had been saying

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• 5The pen I _____ I_______ is on my desk, right under my nose.

  A.think...lost

  B.thought...had lost

  C.think...had lost

  D.thought...have lost

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• 6I don't smoke now, but I _______ for more than twenty years.

  A.smoked

  B.was smoking

  C.have smoked

  D.had smoked

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• 7It's true that whoever ______ positive for H7N9 will receive free medical treatment from our government without delay.

  A.is tested

  B.is being tested

  C.has tested

  D.tests

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• 8I don't really work here; I ______ until the new secretary arrives.

  A.just help out

  B.have just helped out

  C.am just helping out

  D.will just help out

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• 9--- Fined $100! You know you _____ 100km an hour, don't you? --- No, officer. I can't have been. This car doesn't do 80.

  A.are driving

  B.have driven

  C.had driven

  D.were driving

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• 10——Guess what！I met an old school friend last week. ——How nice！How long ____ each other？

  A.didn't you see

  B.haven't you seen

  C.hadn't you seen

  D.don't you see

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