题目内容

7．Until yesterday his family __________ from him for six months．（　　）
A．hasn't heardB．didn't hearC．hadn't heardD．heard

分析 直到昨天，他的家人已经六个月没有收到他的来信了．

解答 答案：C．根据"Until yesterday his family __________ from him for six months"可知没有收到信这件事情发生在昨天之前，是发生在过去的过去，所以要用过去完成时，过去完成时的构成：主语+had+动词的过去分词．过去完成时否定句的构成：主语+hadn't+动词的过去分词．hear的过去分词是heard，故选C．

点评 本题考查过去完成时，要掌握过去完成时的意义，构成及不规则动词的过去分词．

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