31. My uncle has become a Party member for ten years.

30. Do you know the _______ boy? He is three years _______ than me.

A. young ; younger　 B. young ; young　 C. younger; younger　 D. younger; young

29. ---_______ has your friend been to the Great Wall?　 ---Twice.

A. How often　 B. What time　 C. How long　　 D. How many times

28. Do you know the ______ girl?

A. 5-years-old　 B. 5-year-old　　 C. 5 years old　 D. 5-year-older

27. The girl was born _______ the morning of May 1, 1991.

A. on　 B. in　 C. at　 D. of

26. Everyone knows that China is famous ______ the Great Wall in the world.

A. of　 B. for　 C. with　 D. on

25. The Greens _______ Tianjin since 2003.

A. have been in　 B. have been to　 C. have gone in　 D. have gone in

24. Not only Tom but also Jack ______ to that city several times.

A. have been　 B. has been　 C. have gone　 D. has gone

23. ---_______ does it take you to go by bus from Tianjin to Beijing?

　 ---About five hours.

A. How long　 B. How often　 C. How many times　　 D. When

22. I have _______ the man. I _______ him 3 days ago.

A. see ; saw　 B. seen ; see　 C. see ; sees　 D. seen ; saw