she cleaned her room yesterday怎么变一般疑问句

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she cleaned her room yesterday怎么变一般疑问句
she cleaned her room yesterday怎么变一般疑问句

she cleaned her room yesterday怎么变一般疑问句
Did she clean her room yesterday?
因为clean是行为动词的过去式,所以变成一般疑问句的时候借用助动词did.

Did she clean her room yesterday??

did she clean her room yesterday?