Scientists have created GM tomatoes which ______ fresh for 45 days, three times as long as normal tomatoes.

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• 1--HI, Tom. It's a long time since we met last time. Is everything going well? --Oh, I _____ for the final examination for weeks and I will be free next week. --Good luck!

  A.review

  B.reviewed

  C.am reviewing

  D.have been reviewing

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• 2His teacher told him that since his parents were working abroad , either his grandparents or one of his uncles ______ allowed to come to the parents' meeting .

  A.was

  B.were

  C.are

  D.is

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• 3After two hours of walking, they came to the camp site, ______ .

  A.hungry and tiredly

  B.hungrily and tiredly

  C.hungrily and tired

  D.hungry and tired

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• 4Tom was disappointed that most of the guests _________ when he _________ at the party.

  A.left; arrived

  B.had left; arrived

  C.left; had arrived

  D.had left; had arrived

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• 5When you ______with the dictionary, don't forget to put it back on my desk, will you?

  A.will finish

  B.are finishing

  C.will have finished

  D.have finished

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• 6—Does your uncle still smoke? —He ____________given it up. It's two years ever since he ______.

  A.can't have; smoked

  B.may have; smoked

  C.should have; has smoked

  D.should have; didn't smoke

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• 7---Will you please repeat your idea? ---Sure. But I don't think that you ________ attention.

  A.paid

  B.pay

  C.are paying

  D.were paying

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• 8--- Haven't seen you for ages! Where have you been, anywhere? --- I _______ to New York City. I just got back.

  A.was sent

  B.have been sent

  C.had been sending

  D.would be sent

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• 9----Where can we get your latest children's story? ----Soon. It _______ and will come out next week.

  A.has printed

  B.is being printed

  C.has been printed

  D.has been printing

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• 10No one ______ this building without the permission of the police .

  A.is leaving

  B.is to leave

  C.has left

  D.will be leaving

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