When I went into the room, I found it (
)already.A.iscleanedB.wascleaningC.tocleanD.cleaned答案是D,为什么?B错在哪里...
) already.
A. is cleaned
B. was cleaning
C. to clean
D. cleaned
答案是D,为什么?B错在哪里 展开
A. is cleaned
B. was cleaning
C. to clean
D. cleaned
答案是D,为什么?B错在哪里 展开
1个回答
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