______ was unknown to us, he always said, was how the teacher knew the secret.

试卷相关题目

• 1_____ it is a good solution depends on how you look at it.

  A.That

  B.What

  C.Whether

  D.Why

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• 2It has been proved _____ eating vegetables in childhood helps to protect you against serious illnessesin later life.

  A.if

  B.because

  C.when

  D.that

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• 3It is uncertain _____ side effect the medicine will bring about, although about two thousand patients havetaken it.

  A.that

  B.what

  C.how

  D.whether

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• 4After months of a frustrating voyage on the rough sea，they eventually came to ________ they called their “dream land”．

  A.where

  B.what

  C.how

  D.which

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• 5I don't know _____ the future holds in store for me，but I'll face the storms of life bravely.

  A.how

  B.where

  C.that

  D.what

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• 6It is by no means clear ______ the president can do to end the strike.

  A.how

  B.which

  C.that

  D.what

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• 7It has been proved _____ eating vegetables in childhood helps to protect you against serious illnesses inlatter life.      

  A.if

  B.because

  C.when

  D.that

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• 8_____ left the door unlocked must be held responsible for the accident.

  A.Whomever

  B.Whoever

  C.Whatever

  D.Whenever

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• 9It is immediately clear _______ the financial crisis will soon be over.

  A.since

  B.what

  C.when

  D.whether

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• 10— He is crazy about computer games. — It isn't surprising _______ he isn't doing well in his study recently.

  A.whether

  B.that

  C.why

  D.what

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