题目内容
【题目】Mom, have you seen my pencil case? I don’t know _I have left it.
A.whyB.whenC.howD.where
【答案】D
【解析】
句意:妈妈,你看见我的铅笔盒了吗?我不知道我把它落在哪里了。
A. why为什么; B. when何时;C. how怎么样;D. where在哪。根据上文Mom, have you seen my pencil case?可知下文是where引导的宾语从句,根据题意,故选D。
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