what is this 回答 与what is that 回答
问题描述：
what is this 回答 与what is that 回答
答
what is this 就回答 this is ___. 举例，what is this? this is a pen.
what is that 就回答 that is ___. 举例, what is that? that is a car.
答
what is this 这是什么
this is ... 这是..
what is that 那是什么
that is... 那是...
答
This is.../It is...
That is.../It is...
答
this is ...
that is ...
答
我告诉你吧.绝对不能用this 和that来回答.为了避免重复,应该把this和that改为it.即：It is a/an +名词（单数）.It is 可以缩略成It’s.
如：What is this?It’s a book.
又如：What is that?It’s a pen.
跟它类似的还有What are these?What are those?答语都用They're 不能用These are 和 Those are.