—           are you going to Shanghai?—I’m taking the plane．

__________does it cost to go from Shanghai to Beijing?

 —look! It’s raining _________.—That’s great. It’s too hot these days.

 —What’s the matter? You looked unhappy.—Well, the teacher spoke so quickly and I can __________ understand it.

—        can I get the book if I order it today? — In a week.