what's this...可以用This is...还是必须用It’s 来回答?还有What are these/those 的回答
问题描述：
what's this...可以用This is...还是必须用It’s 来回答?还有What are these/those 的回答
答
严格来说：回答时要用代词去代替所说的事情
What's this/ that?It's a book/ cat...
What are those/ these?They're books/ cats..
单独的句子可以直接用：This/ That is..
Those/ These are..