题目内容
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
D
【解析】考查动词时态和语态。句意为:房子很脏,因为自从他们搬出去后就没打扫过。空格处与主语The house之间是逻辑上的被动关系,由此可排除A项和C项;根据句中的状语“since they moved out”,并结合语境可知,空格处应用现在完成时态,表示过去发生的某一动作对现在已经造成的影响或结果,故答案选D。
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