题目内容
用被动语态改写句子
People have piled plastic bags full of rubbish in streets．
答案：
解析：
解析：
|
Plastic bags full of rubbish have been piled in streets． |
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题目内容
用被动语态改写句子
People have piled plastic bags full of rubbish in streets．
|
Plastic bags full of rubbish have been piled in streets． |