I can't understand ______ it is that makes him so difficult at school

试卷相关题目

• 1____ is known to all, China will be an _____ and powerful country in 20 or 30 years' time

  A.That; advancing

  B.What; advanced

  C.As; advanced

  D.It; advanced

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• 2I have only one uncle, _______ I can turn to for help.

  A.that

  B.which

  C.whom

  D./

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• 3In front of the gate of the park _______ like an umbrella covering the entrance.

  A.an old pine tree stood

  B.an old pine tree did stand

  C.did an old pine tree stand

  D.stood an old pine tree

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• 4In the past we lost many chances, _______ we paid little attention.

  A.which

  B.that

  C.in which

  D.to which

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• 5_____ this instrument should have put its work permit number on the box.

  A.Who checked

  B.Whoever inspected

  C.No matter who examined

  D.Those who estimates

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