Did Ann return the book to the library yesterday?
不需要哦~因为does do did这类助动词后面都用原型哦~这里是过去所以用did
Ann returned the book to the library yesterday.改为一般疑问句后return要加s吗?
Ann returned the book to the library yesterday.改为一般疑问句后return要加s吗?
英语人气:101 ℃时间:2019-10-25 06:22:14
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