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-Where Margaret have put the empty bottles? -She them away. They must be somewhe

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-Where Margaret have put the empty bottles? -She them away. They must be somewhe

—Where _______ Margaret have put the empty bottles?

  —She ______ them away. They must be somewhere.

  A.can; can’t have thrown B.must; needn’t

  C.must; must have thrown  D.can; must throw

 

试题答案

A