The house is dirty because it ________ since they moved out.A．doesn't cleanB．isn

题干

The house is dirty because it ________ since they moved out.

A．doesn't clean	B．isn't cleaned
C．hasn't cleaned	D．hasn't been cleaned

上一题下一题 0.64难度单项选择更新时间:2013-05-19 11:10:17

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