1. (2023七上·石家庄期中)  交际应用。

A. It's blue. B. But where's your watch? C. They're blue. D. No, I think it's Paul's. E. What time is it now? F. What day is it today? G. You must look after your things.

Paul: , Nick? Is it time to go home?

Nick: No, it's 3:15. It's time to go and play games. ?

Paul: I don't know. I can't find it.

Mr. Li: Whose is this watch? Is it yours, Nick?

Nick: .

Mr. Li: What color is your watch, Paul?

Paul: .

Mr. Li: Is this one yours?

Paul: Oh, yes, it is mine.

Mr. Li: Paul, . Put it in your schoolbag.

Paul: Thank you, Mr. Li.