1、they are from the u.s.a.【改为一般疑问句,并作肯定回答】【】【】from the u.s.a.y_英语解答

1、they are from the u.s.a.【改为一般疑问句,并作肯定回答】
【】【】from the u.s.a.yes,【】【】
2、 this is a book.【改为一般疑问句,并作否定回答】【】【】a book?no,【】【】.

人气：168 ℃　时间：2020-03-24 13:05:20

解答

are they from the u.s.a.yes,they are.
is this a book?no,it isn't