cleaning
要么改成 clean
要么改成 cleaned
keep sth.adj.是保持某物怎么样的意思,如：keep fish fresh 保持鱼新鲜,keep classroom clean 保持教室干净
cleaned为什么也可?是打扫的意思,但由于 教室是被打扫的,所以要用过去分词 cleaned keep classroom cleaned every day 保持教室每天被打扫
改错：We must keep the classroom cleaning erery day.
4个回答
相关问题
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We must ___(keep) the classroom clean.
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we must keep the classroom______- A.clean B.to clean C.clean
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we must keep the classroom clean的句子基本结构
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we must clean the classroom every day 同义句
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英语改错 We should keep our classroom cleaning.
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we must keep our classroom clean改被动语态
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这个句子的被动语态：we must keep the classroom clean 谢
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----Must we clean the classroom now?
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句型转换 1. We must clean the classroom every day.(同义句转换)
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we must keep classroom clean.这句中的must是什么词,做什么成份?