what is that怎样回答?只能用It is 如果是It is a computer 我说 that is a computer 对么?

what is that怎样回答?
只能用It is 如果是It is a computer 我说 that is a computer 对么?

it is和that is都可以,两者都表示问话中特指的那个事物.

用this is 也是可以的

It's a(n)…看你发挥了，祝你好运！呵呵～

可以