3. Could you tell us how much it costs to go to Hainan by air?

2. Could you tell me whether that’s a fast train or not?

1. Let’s see if we can find out some information about that city.

15. That sounds really cool?

IV. 语法The Object Clause(2)

　　 由连接代词和连接副词引导的宾语从句，注意宾语从句的语序。

14. Oh, if you get a chance to go, take it.

13. How was your holiday?

12. Go straight along here.

11. Please tell me whom we have to see?

10. Will that be one-way or round-trip?

9. Great! I’d like to book 4 tickets, please.