-How long you this book?( )A．have.boughtB．have.hadC．have.buyD．have.have 题目和参考答案——青夏教育精英家教网——

题目内容

13．-How long _____ you ____ this book？（　　）

A．

have，bought

B．

have，had

C．

have，buy

D．

have，have

分析你买这本书多长时间了？

解答答案：B．根据题干，本句的意思说"从买这本书到现在有多长时间"，表示的"买"这一动作从过去一直持续到现在，故本句应用现在完成时．现在完成时的结构是：have/has+过去分词；又根据"买"buy是非延续性动词，不能与表示时间段的词或短语连用，应用have来表示"买"；have 的过去分词是had，所以本题填have had．故本题选B．

点评本题考查时态的辨析，做题时应注意动作发生的时间，根据动作发生的时间来确定动词的时态

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