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.
人气：280 ℃ 时间：2019-10-24 20:19:35
解答
1.We should do something to improve our environment.
(Something ) (should) ( be) ( done) to improve our environment.
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