Great as Newton was, many of his ideas_____today and are being modified by the work of scientists of our time.

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• 1“I took part in the TOEFL. It was really hard.” “Did you ______ a lot?”

  A.Have you studied

  B.Did you study

  C.Had you studied

  D.Do you study

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• 2“Mike is not coming to the football game this afternoon.” “It's a shame! He _______!”

  A.promises

  B.promised

  C.will promise

  D.had promised

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• 3—Does Li Ping serve in the army? —No, but he ________ in the army for five years.

  A.served

  B.has served

  C.is serving

  D.would serve

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• 4They became friends again that day. Until then, they ________ to each other for nearly two years.

  A.didn't speak

  B.hadn't spoken

  C.haven't spoken

  D.haven't been speaking

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• 5Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English for a year.

  A.studies

  B.studied

  C.is studying

  D.has been studying

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• 6The plane _______ at 7：00 p.m.，so I have to be at the airport by 6：40 at the latest.

  A.has left

  B.would leave

  C.will have left

  D.leaves

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• 7I've won a holiday for two to Florid

  A.I ＿＿ my mum.A.take

  B.am taking

  C.have taken

  D.will have taken

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• 8Selecting a mobile phone for personal use is no easy task because technology __________ so rapidly.

  A.is changing

  B.has changed

  C.will have changed

  D.will change

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• 9—What were you up to when she dropped in? —I _________ for a while and __________ some reading.

  A.was playing; was going to do

  B.played; did

  C.had played; was going to do

  D.had played; did

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• 10It seems water ______ from this tap for some time. We'll have to take it apart to put it right. 

  A.had leaked

  B.is leaking

  C.leaked

  D.has been leaking

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