This is what they are talking about .为什么要是that is

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/04/28 18:18:59

This 是这个,
that 是那个.
要看场景.比如说,他们在讨论的是你们现在可以看到的东西,比如他们在讨论这个新桌子.那么你可以指着这个桌子,对另外一个人说：This is what they are talking about.
但是一般用 that.因为他们讨论的东西,可能你是用语言向第三个人转述,所以,未必有实物在眼前可以看到.那么你就用　that 来指代他们讨论的内容.

This is what they are talking about .为什么要是that is The earthquake about that they are talking is very frighteni ——what they are talking about A.they are Bthis is Cthere is that is what i am talking about. What are they talking about? What are they talking about?() What are they talking about?为什么不能省about? That is the man about w__ they were talking at this time yes 定语从句练习1.This is the novel_D__they are talking.A.about that B 请问是What are you talking about还是What is you talking about? What is Jim talking about? That is the man about w__ we are talking.填空