--- Is this the library? --- ___________.A. No, it is. B. Yes, it is. C. Yes, it isn't.
你不知道这个图形里有几个圆,你会问:A. How many circles are there?B. How many squares are there?C. How many triangles are there?.
你想知道远处的东西是什么,应该问:A. What’s this?B. What’s it?C. What’s that?
跟别人初次见面,应该说:A. How are you?B. Nice to meet you.C. How do you do?
你像把好朋友Jimmy介绍给大家,应该说:A. This is Jimmy.B. He is Jimmy.C. That is Jimmy.
别人给你吃东西,如果你不想吃,你应该说:A. Yes, thank you.B. No, that’s OKC. No, thanks.