________ is known to us is that the 2012 Olympic Games will be held in London．

试卷相关题目

• 1It has not been decided ________ they will leave for New York．

  A.when

  B.why

  C.that

  D.what

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• 2________ Obama was elected president of the USA is a big success for the blacks in America．

  A.不填

  B.That

  C.What

  D.As

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• 3________ you did it is not known to all．

  A.Who

  B.What

  C.How

  D.Which

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• 4________ still needs to be discussed．

  A.How is the plan to be carried out

  B.How the plan is to be carried out

  C.Why is the plan carried out

  D.Why the plan carried out

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• 5________ more countries can use natural energy in the future remains to be seen．

  A.Whether

  B.This

  C.Who

  D.If

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• 6________ seems like science fiction is not completely unlikely．

  A.It

  B.Which

  C.What

  D.That

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• 7________ you do should be well done．

  A.How

  B.That

  C.Whatever

  D.Why

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• 8________ we need more practice is quite clear．

  A.When

  B.What

  C.That

  D./

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• 9Canada is a large country ______ many people from all over the world live.

  A.which

  B.in which

  C.that

  D.in that

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• 10________ he always serves the people very well is known．

  A.What

  B.That

  C.Which

  D.Who

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