题目内容

【题目】— Look! Someone the floor. It's clean.
— Well, it wasn't me. I went shopping just now.
A.is sweeping
B.was sweeping
C.had swept
D.has swept

【答案】D
【解析】句意：——看！有人扫了地板。很干净。——嗯，这不是我。我刚才购物去了。根据It's clean可知该句该用现在完成时，而现在完成时是由“have/has+过去分词”构成的，本句主语Someone属第三人称单数，所以选D。

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