21. Tiger Watch, _______ one-hour documentary, won_______ award for its amazing photography.
A. an; an B. the; a C. a; an D. an; the
22. - You look_______. What's up, sir?
- I can't find my ticket, but it's time to check in.
A. sleepy B. hungry C. excited D . worried
23. - I'll go to the museum with you. Tell me_______.
- Shall we leave at the school gate?
A. where to meet B. what to do
C. how to go D. when to meet
24. - What do you think of the film So Young directed by Zhao Wei?
- Wonderful. I think it's_______ than the other films about youth in recent years.
A. the best B. the worst C. much better D. much worse
25. - I think_______ ask Tim for some advice.
-_______. Last time when I turned to him, he refused to help.
A. you'd rather; I think so B. you'd better; I'd rather not
C. you have to; I'd rather not D. you'd better; I think so