What's that?_____a zebra.A,That's BIt'sC,ThiS

问题描述:

What's that?_____a zebra.A,That's BIt'sC,ThiS

答案选 B ;
英语中避免重复,this ,that 常用 it 代替;
What‘s that It’s a zebra.= 那是什么?那是斑马.