The traditional view is ______ we sleep because our brain is "programmed" to make us do so.

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• 1The thought of going home to his family was ______ kept him happy while he was working abroad.

  A：all

  B：all which

  C：what

  D：that

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• 2_____ wants to stay in a hotel has to pay their own way.  

  A：Anyone

  B：The one  

  C：Whoever  

  D：Who

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• 3Perseverance is a kind of quality—and that"s _____ it takes to do anything well.

  A：what

  B：that

  C：which   

  D：why

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• 4To show our respect, weusually have to take our gloves off  _____  we are to shake hands with.  

  A：whichever  

  B：whenever

  C：whoever

  D：wherever

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• 5— I"m afraid I have to give it up.?— Remember ______ sticks to his work will succeed one day?

  A：who

  B：whom

  C：whoever

  D：no matter who?

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• 6At least 14 youths have been killed in the capital Baghdad in the past 3 weeks in ______ appearsto b

  A：what  

  B：that  

  C：it

  D：which

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• 7Has it ever struck you ______ it would be like to have no one you could trust?

  A：that

  B：who

  C：which

  D：what

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• 8The message you intend to convey through  words may be the exact opposite of ____ othersactually un

  A：why

  B：that

  C：which  

  D：what

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• 9My high school friend,I haven"t seen for 20 years, is no longer ____ he was.

  A：who, that

  B：which, that

  C：whom, what

  D：that, what

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• 10Many people think that I"m a lucky dog, but it takes me years of hard work to be _______ I am now.

  A：what

  B：which

  C：whom

  D：how

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