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試題詳情
People have done something useful to protect the wild animals already.(改被動(dòng)語態(tài))
Something usefulhas been donehas been done to protect the wild animals already.
【考點(diǎn)】復(fù)合句.
【答案】has been done
【解答】
【點(diǎn)評】
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發(fā)布:2024/6/27 10:35:59組卷:2引用:1難度:0.7