变疑问句和否定句：The exam begins at nine.Ann returned the book to the library yesterday.
人气：283 ℃ 时间：2019-12-15 14:07:20
解答
when does the exam begins?The exam doesn't begin at nineDid Ann return the book to the library yesterday?Ann didn't return the book to the library yesterday.
推荐
猜你喜欢
