.Mike ______ his room.It’s very cleanA.has cleaned B.cleaned C.is cleaning D.will clean

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.Mike ______ his room.It’s very cleanA.has cleaned B.cleaned C.is cleaning D.will clean
.Mike ______ his room.It’s very cleanA.has cleaned B.cleaned C.is cleaning D.will clean

.Mike ______ his room.It’s very cleanA.has cleaned B.cleaned C.is cleaning D.will clean
A
已经打扫了 所以很干净
希望对你有所帮助,有不会的可以再问,

选A
It’s very clean说明过去的动作对现在造成了影响

答案选A,It's 表示现在,has cleaned 表示完成,已经打扫过了,从 is 可以看出来是考你现在完成时,Mike已经打扫好了他的房间,非常干净。