_______   caused the accident is still a complete mystery.

试卷相关题目

• 1I'd appreciate _____ if you would like to teach me how to use the computer.

  A.that

  B.it

  C.this

  D.you

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• 2In American there are more households with pets than ______ with children.

  A.those

  B.these

  C.ones

  D.that

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• 3____ is clear ____ the Diaoyu islands have been China's inherent territory （固有领土）both from historical and legal aspects since ancient times．

  A.That; that

  B.This; this

  C.It; that

  D.What; what

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• 4--- Have you a color TV?--- Yes, I have a good ___.

  A.it

  B.ones

  C.that

  D.one

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• 5Use your head; nothing taught by others can have the same effect on you as _________learned through practice.

  A.those

  B.what

  C.that

  D.the one

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• 6Surprisingly, Susan's beautiful hair reached below her knees and made _____ almost an overcoat for her.

  A.them

  B.her

  C.itself

  D.herself

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• 7After I went abroad for further study, _______ of my parents lived with me．

  A.none

  B.neither

  C.either

  D.any

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• 8He has learned _______  , no matter what happens and how bad _______  seems today, life goes on and it will be better tomorrow.

  A.that; it

  B.it; that

  C.it; it

  D.that; that

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• 9We asked John and Jerry, but ____ of them could offer a satisfactory explanation.

  A.either

  B.none

  C.both

  D.neither

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• 10We feel _____ our duty to make our country a better place.

  A.it

  B.this

  C.that

  D.one

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