题目内容
句型转换
The students clean the windows once a week.
（改为被动语态）The windows ______ ______ by the students once a week.
答案：are;cleaned
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津桥教育计算小状元系列答案题目内容
句型转换
The students clean the windows once a week.
（改为被动语态）The windows ______ ______ by the students once a week.
津桥教育计算小状元系列答案