they didn't clean the classroom yesterday.the classroom ___ ___ yesterday.
改为被动语态!
they didn’t clean the classroom yesterday.the classroom ___
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解决时间 2021-08-23 08:01
- 提问者网友：孤山下
- 2021-08-22 16:41
最佳答案
- 五星知识达人网友：低血压的长颈鹿
- 2021-08-22 17:00
wasn't cleaned.首先根据yesterday确定是过去时态,所以be动词一定是was,加上否定词not,然后把clean改为过去分词就好.
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