what is on the desk?There are some books为什么是对的?what is 不是回答要用单数么?
问题描述:
what is on the desk?There are some books为什么是对的?
what is 不是回答要用单数么?
答
what is on the desk?There are some books为什么是对的?
what is 不是回答要用单数么?