It was twelve o’clock his son came back from the factory. A. when B. that C. since D. before 查看更多

 

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 It was twelve o’clock _______ his son came back from the factory.

  A. when            B. that            C. since             D. before

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 It was twelve o’clock _______ his son came back from the factory.

A. when              B. that                 C. since           D. before

 

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