After being．discovered by Dutch explorers in 1606，the eastern half of Australia_____by the British in 1770．

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• 1With the development of science,more new technology __________to the fields of IT.

  A.has introduced

  B.is being introduced

  C.is introduced

  D.was introduced

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• 2Come to me early tomorrow morning.If I _________ ,wake me up.

  A.sleep

  B.will be sleeping

  C.was still sleeping

  D.am still sleeping

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• 3—How do you like the glasses? —This kind of glasses made by experienced workers________ comfortably.

  A.is worn

  B.wear

  C.wears

  D.are worn

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• 4Before the first nonstop flight made in 1949,it______necessary for all planes to land for refueling.

  A.would be

  B.has been

  C.had been

  D.would have been

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• 5Please tell me _____ tomorrow morning.

  A.what are you doing

  B.what you are doing

  C.what you will be doing

  D.what will you be doing

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• 6I wonder if she______us,but I think if she______us we will be able to complete the task ahead of time.

  A.helps;helps

  B.will help;has helped

  C.helps;will help

  D.will help;helps

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• 7We wouldn't have had to be in such a hurry if we had known the meeting _________.

  A.was to put off

  B.was to be put off

  C.put off

  D.had put off

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• 8— Can I help you, madam? — Yes, I bought this air conditioner here yesterday, but it _____ now.

  A.didn't work

  B.won't work

  C.can't work

  D.doesn't work

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• 9— Have you heard from Jane recently? — No, but I ____ her over Christmas. 

  A.saw

  B.will be seeing

  C.have seen

  D.have been seeing

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• 10—Why didn't you go to yesterday's meeting? —I would have but I ______too busy working on the important experiment.

  A.had been

  B.was

  C.were

  D.am

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