题目内容
句型转换：按括号要求转换句子
You should water the trees as often as possible. (改为被动语态)
The trees ________ ________ ________ as often as possible.
答案：should,be,watered
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句型转换：按括号要求转换句子
You should water the trees as often as possible. (改为被动语态)
The trees ________ ________ ________ as often as possible.
金钥匙试卷系列答案