I ________ the living room．Look,it is clean．[ ]A．cleanB．am cleaningC．have cleaned-初中英语-n多题

◎ 题干

I ________ the living room．Look,it is clean．

[ ]

A．clean
B．am cleaning
C．have cleaned

◎ 答案

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◎ 解析

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◎ 知识点

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