改错:We must keep the classroom cleaning erery day.

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改错:We must keep the classroom cleaning erery day.

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

We must keep the classroom clean every day.
我们必须每天要保持教室的干净。
O(∩_∩)O~,八年级的题目。

We must keep the classroom clean every day.
keep + n. + adj. 形容词在此做宾语补足语

keep+形容词(使。。怎样),应该用keep clean