what is in the box?怎样回答 it is.和this is.回答时区别what is in the box?怎样_英语解答

what is in the box?怎样回答 it is.和this is.回答时区别
what is in the box?怎样回答
用 it is.还是this is.有什么区别

人气：346 ℃　时间：2019-12-18 08:34:10

解答

用 it is.
this is.用于介绍