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John waited at the bus-stop for nearly half an hour the bus finally arrived . A．when B．a(chǎn)s C．before D．while 【查看更多】

 

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John waited at the bus-stop for nearly half an hour           the bus finally arrived .

       A．when       B．a(chǎn)s     C．before      D．while

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John waited at the bus-stop for nearly half an hour           the bus finally arrived .

A．when                        B．a(chǎn)s                      C．before                D．while

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 John waited at the bus-stop for nearly half an hour _____ the bus finally arrived .

         A. when B. as        C. before         D. while

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 John waited at the bus-stop for nearly half an hour _____ the bus finally arrived .


  1. A.
    when
  2. B.
    as
  3. C.
    before
  4. D.
    while

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John waited at the bus-stop for nearly half an hour           the bus finally arrived .

       A．when       B．a(chǎn)s     C．before      D．while

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