-Our classroom is so clean．Who's cleaned it.Li Fei?-Sorry.I don't know．I think did it before class．( )A．somebodyB．nobodyC．everybodyD．anybody 题目和参考答案——青夏教育精英家教网—

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16．-Our classroom is so clean．Who's cleaned it，Li Fei？
-Sorry，I don't know．I think______did it before class．（　　）

A．

somebody

B．

nobody

C．

everybody

D．

anybody

分析 -我们的教室如此干净．谁打扫的，李飞？
-对不起，我不知道．我认为有人在课前打扫的．

解答答案：A
根据题干"did it before class在课前打扫的"，可知是有人打扫，结合选项，A．某人 B．没人 C．每个人 D．任何人，故选A．

点评熟悉物不定词的基本用法，结合题意，给出答案．

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