Scientists have many theories about how the universe _____ into being.

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• 1— Do you still smoke heavily? — No. In fact, it is two years since I ____.

  A.have stopped smoking

  B.smoked D.began to smoke D.started to smoke

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• 2— You speak very good French! — Thanks. I _____ French in Sichuan University for four years.

  A.studied

  B.study

  C.was studying

  D.had studied

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• 3When the old man _____to walk back to his house,the sun _____ itself behind the mountain.

  A.was starting; hid

  B.had started; had already hidden

  C.had started; was hiding

  D.started; had already hidden

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• 4Lei Feng ____ a lot of things for others in his life, people thanked him for what he _____.

  A.did; had done

  B.had done; had done

  C.had done; did

  D.did; did

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• 5_____with traditional Chinese art made Mr, Seville _____ to come to China for study.

  A.Being obsessed; determined

  B.Being obsessed; determining

  C.Obsessing; determining

  D.Obsessed; determined

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• 6To his disappointment, the opinion he had stuck ______ out wrong.

  A.to turn

  B.to turning

  C.to turned

  D.to be turned

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• 7— Excuse me, but could you please turn the radio down? — Sorry. I _____ you could hear it.

  A.don't realize

  B.haven't realized

  C.didn't realize

  D.hadn't realized

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• 8— Why did you step on my foot? — I am terribly sorry. I ____ it.

  A.am not noticing

  B.didn't notice

  C.don't notice

  D.haven't noticed

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• 9The opportunity McCullum had looked forward ____ at last when he was named head coach at Western Michigan.

  A.came

  B.to coming

  C.to came

  D.to come

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• 10He stood at the window, thinking where he _____ his camera last.

  A.saw

  B.has seen

  C.had seen

  D.would see

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