— Excuse me, is this building the city library?

— Sorry, I’m not sure. But it _______ be.

A. can   B. must    C. might  D. will

— Excuse me, Is this the right way to the Summer Palace ?

— Sorry, I am not sure, but it _______ be.

A. might         B. will         C. must        D. can

对话填空（共10小题；每小题1分，满分10分）

阅读下面对话，掌握其大意，并根据所给字母的提示，在标有题号的右边横线上写出一个英语单词的完整、正确形式，使对话通顺。

A: Excuse me. Is this the check-in desk for（76）F____ 830 to Los Angeles?

B: I hope so. That’s （77）w_____ I’m going. I am going to study at a high school there.

A: Me, too. I’m very （78）w_____. I’ve never been away from home for more than a couple of weeks before. Have you（79）a______ somewhere to stay?

B: Yeah. I was able to find a host family（80）t______ some friends of my neighbors. How about you?

A: I’ve only got somewhere for the first few days. It’s one more thing to worry about

（81）a____ with studying, eating different food and speaking English all the time.

B: But that’s why we’re going, isn’t it?

A: You’re right. And that will help us to（82）a_____ for jobs or universities back at home.

B: I have already decided to be a conductor. I hope to（83）a______ a top American music

school next year. What are you plans?

A: I think I’ll see what this year is like before I make a（84）d_____. I think I’ll miss rice and beans too much. I can’t eat at McDonald’s every day.

B: I’m sure there’s other food in the US. Look, the line’s moving. Shall we get seats together on the plane?

A: Great. You can help me keep mind（85）o____ feeling homesick.

---Excuse me, is this seat taken?---____.Please have a seat.

A. Yes, it is   B.All right   C.No, it isn’t    D. OF course

—Excuse me. Is this the right way to the Summer Palace?
—Sorry, I am not sure, but it ____ be.