What is that?的答句是It is a ..还是 That is aWhat is this?的答句是It is a.还是This is .

What is that?的答句是It is a ..还是 That is aWhat is this?的答句是It is a.还是This is .
What is that?的答句是It is a ..还是 That is a
What is this?的答句是It is a.还是This is .

What is that?的答句是It is a ..还是 That is aWhat is this?的答句是It is a.还是This is .
楼主你记住了,只要是单数的非人的词作主语,在回答时,都用it.

its a
再用this或that显得重复

一般都是it is