题目内容：

从 A—G 选项中选出能填入空白处的最佳选项补全对话，有二项是多余的。

A: You must be excited about leaving for China tomorrow, Steve!

B:1.

A: Why?

B: Well, for one thing, I don’t know how to use chopsticks very well… and I don’t know how to behave at the dinner table.

A: Oh, I see. Well, one important thing is that you’re not supposed to start eating first if there are older people at the table.

B:2.. In the United States, it doesn’t matter.

A: Yeah, I know. It’s also impolite to stick your chopsticks into your food.3.

B: Oh, OK.

A: Oh, and there’s one more thing you need to know.4.. Only parents are expected to talk at the dinner table. Children are not allowed to speak.

B: Wow!5.

A: Haha, I’m just kidding!

A.That’s unusual.

B.Yeah, but I’m a little nervous, too.

C.You’re not supposed to talk when you’re eating dinner.

D.That’s interesting.

E.You shouldn’t point at anyone with your chopsticks, either.

F.That’s easy.

G.We all know that is impolite.