题目内容
7.He had to return to his home in Beijing because his flight .( )A. | had cancelled | B. | has been cancelled | ||
C. | will be cancelled | D. | had been cancelled |
分析 他不得不回到北京的家,因为他的航班被取消.
解答 答案是D.本题考查过去完成时的被动语态;过去完成时强调"过去的过去",强调动作发生在过去某一时间或动作之前;本题中had to return是过去,cancel发生在had to return之前,所以是"过去的过去",并且航班是"被取消",故需要过去完成时的被动语态,答案选D.
点评 对时态的选择,要在把握时态的基本用法的基础上,根据具体语境和题干中的时间推断时态,同时关注特殊的结构.
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