-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 【查看更多】

 

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 —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

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—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

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—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

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—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

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---Where ______ Margaret have put the empty bottles?

---She ______ them away. They must be somewhere.


  1. A.
    can; can’t have thrown
  2. B.
    must; needn’t
  3. C.
    must; must have thrown
  4. D.
    can; must throw

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