____ caused the accident is still a complete mystery.

试卷相关题目

• 1. Do you think it ______ great reward for London to hold _____ Olympic Games in 2012?

  A.a; the

  B.the; the

  C.a; an

  D./'/

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• 2—______? —Yeah, it seemed a little confusing to me at first, but now I get it.

  A.Can you give me a moment

  B.See what I mean

  C.Are you stuck

  D.Can you go on

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• 3He suffered from a serious illness last year and I don't know whether he is_____or dead now.

  A.living

  B.alive

  C.live

  D.lively

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• 4Jane was asked a lot of questions, but she didn't answer ______ of them.  

  A.other

  B.any

  C.none

  D.some

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• 5Some people who don't like to talk much are not necessarily shy；they ______ just be quiet people.

  A.must

  B.may

  C.should

  D.would

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• 6Just as music as a universal language, _____.

  A.so it is a mirror of the time

  B.as a mirror of the time

  C.it is also a mirror of the time

  D.so is a mirror of the time

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• 7In1994, China began collecting income tax from citizens earning more than 800 Yuan per month but only 1% people were earning more than _______; now about 60% earn the amount.

  A.this

  B.these

  C.those

  D.that

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• 8_______ anyone should want to kill her was unbelievable.

  A.Whether

  B.That

  C.What

  D.Where

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• 9He wondered ________ his son was getting along with the experiment.

  A.when

  B.what

  C.how

  D.which

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• 10Ju Hua Tai is a popular song among young people, ______ were often heard singing it in Karaoke.

  A.which

  B.who

  C.that

  D.what

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