_____you _____your book to the library?Yes ,I returned it yesterday.为什么填进去的是have 与reture
问题描述：
_____you _____your book to the library?Yes ,I returned it yesterday.为什么填进去的是have 与reture
答
_Have____you returned_____your book to the library?Yes ,I returned it yesterday.你已经把你的书还到图书馆了吗?用完成时是因为发问者并不知道还是没还.Yes ,I returned it yesterday是的,我昨天还的.这就是说明...