过去完成时改被动语态We had cleaned our classroom by Tuesday .要怎么改成被动语态

问题描述：

过去完成时改被动语态
We had cleaned our classroom by Tuesday .
要怎么改成被动语态?
（要含有by us 和by Tuesday ）
1个回答 分类：英语 2014-11-13

问题解答：

我来补答
The classroom was cleaned by us by Tuesday.
 
 
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