we should at school to keep our school clean every day

we should at school to keep our school clean every day

题目
we should at school to keep our school clean every day
答案
你这个句子里有语法错误
应该是We should be at school to keep our school clean every day或者是 We should keep our school clean every day at school
我们应该每天在校保持学校干净.
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