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25．While she TV in the sitting room.the bell ．A．watches.rings B．is watching.rangC．was watching.rang D．watched.was ringing 【查看更多】

 

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While she                     TV in the sitting room，the bell                  ．

A．watches，rings                                       B．is watching，rang

C．was watching，rang                           D．watched，was ringing

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