问题描述:
This is her friend改为复数形式.2.This girl is my sister对my sister提问
3.Those are my brothers改为单数形式.4.Is he your father?做否定回答.Are those his parents?做肯定回答
3.Those are my brothers改为单数形式.4.Is he your father?做否定回答.Are those his parents?做肯定回答
问题解答:
我来补答展开全文阅读