Is she do homework?这个句子对还是错 请说明原因.

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Is she do homework?这个句子对还是错 请说明原因.
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Is she do homework?这个句子对还是错 请说明原因.
Is she do homework?这个句子对还是错 请说明原因.

Is she do homework?这个句子对还是错 请说明原因.
错误.
正确的表达:Does she do homework?
do 是实意动词,一般疑问句必须用助动词 does .


应改为:
Is she doing homework?
为现在进行时。

Has she done her homewrok?

错,如果是do改成doing,就对,表示(她正在做作业吗?),因为be动词不能加动词原形