Read, choose and fill in the blanks(读一读，选择填空)

B：Look! Here's a new watch.

G：________(Who, Whose) watch is it?

B：Sorry, I don't know.

G：Is it ________(Tom's, Tom)?

B：No, it isn't. I think maybe it's ________(Jack, Jack's).

G：Ah, it's ________(his, he) watch.

G：Jack! Is this watch ________(you, yours, your)?

B：Yes, it is. Thank you.

G：Here ________(your, you) are.

B：Thank you very much.

Complete the following dialogues

A：When will you come back?

B：I'm sorry I have ________ ________.

——May I look at your story-book?

——________________

选择最合适的答语

--I'm sorry I can't go to the football game with you.

--________.

A. That's OK

B. Yes, please

C. You must come