题目

将下列句子变成一般疑问句,并作出简要的肯定回答和否定回答.This is my son.
1.This is my son.2.That is his sister 3.She is my good feiend 4.These are nice pictures.5.This is a middle school.

提问时间：2020-06-18

答案

我先回答你的答案,然后再补充语法知识.1】is this your son?yes,he is /no,he is not2】is that his sister?yes,she is/no,she isn't3】is she your good friend?yes,she is/no,she isn't4】are these nice pictures...