将句子转化为被动语态.We should do something to improve our environment看补充
题目
将句子转化为被动语态.We should do something to improve our environment看补充
1.We should do something to improve our environment.
( ) ( ) ( ) ( ) to improve our environment.
答案
1.We should do something to improve our environment.
( Something ) ( should ) ( be ) ( done ) to improve our environment.
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