问题描述:
Is this your school?Yes,it is my school.Is this your ticket?Yes,this is my ticket.
为什么一个用it is,一个是this is回答?
为什么一个用it is,一个是this is回答?
问题解答:
我来补答展开全文阅读
问题描述:
问题解答:
我来补答