题目

—When did you come back? —An hour ago. You      the computer games. A. have played  B.were playing  C.played  D.had played   答案： B   考查动词时态。语境：---你什么时候回来的？----一小时前。你那时在玩电脑。此句可理解为You were playing the computer games an hour ago.  

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