北宋时期，我国出现了世界上最早的纸币“会子”。
下图为某岛屿简图。读图完成下列各题。
Clerk: ____ I help you?
Mary: Yes, please. I want a sweater.
Clerk: What ____ do you want?
Mary: Blue.
Clerk: Here you are.
Mary: How ____ is it?
Clerk: Nine dollars.
Mary: I'll ____ it. Thanks.
Clerk: You're ____.
你想问Peter是否喜欢唱歌，可以说：
