He left home without saying a word, and _______ worries many people and is to be found out.                                 

试卷相关题目

• 1It remains doubtful ______ immediate measures could be taken to prevent underground water pollution.

  A.how

  B.whether

  C.that

  D.where

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• 2Jim told us all that _______ he said  at the meeting was right.

  A.all

  B.what

  C.all that

  D.that

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• 3_______ you said at the meeting describes a bright future for the company.

  A.When

  B.How

  C.What

  D.That

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• 4Before a problem can be solved, it must be obvious ______ the problem itself is.

  A.what

  B.that

  C.which

  D.why

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• 5__________ we'll go for a summer camp at the seaside hasn't been decided yet.

  A.Why

  B.Whether

  C.Who

  D.Where

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• 6______ anyone should want to kill her was unbelievable.

  A.Whether

  B.That

  C.What

  D.If

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• 7______ is known to us all is that the 2012 Olympic Games will take place in London.

  A.It

  B.What

  C.As

  D.Which

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• 8______ leaves the room last ought to make sure that the windows are closed and the door locked.

  A.Whoever

  B.Who

  C.Who will

  D.Those who

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• 9_____ is today Britain used to be three different countries,and over many years the three countries became one.

  A.It

  B.What

  C.Where

  D.As

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• 10______ some people regard as a disadvantage is seen as an advantage by many others.

  A.Whether

  B.What

  C.That

  D.How

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