31. - I'm wondering why the visitors chose to stay with the host family.

- _____real local life.

A. Experiencing　　　 　　　 B. Experience　　　　　　　　　 C. To experience　　　 D. Having experienced

30. How long do you think it will be _____ we can find a new water source?

A. after　　　　　　 　　　 B. before　　　　　 　　　　 C. when　　　　　　 　　　 D. since

29. High up in the mountains _____ a quiet small village, with only 20 households.

A. surrounds　　　　 　　　 B. locates　　　　　 　　　　　　 C. lies　　　　　　　 D. lays

28. A heavy snow promises a good harvest, _____ is often the case.

A. where　　　　　　 　　　 B. as　　　　　　　 　　　　 C. that　　　　　　　 　　　 D. what

27. After his wife died, he kept himself _____ from other people and the outside world,

A. set off　　　　　　 B. cut off　　　　　　 　　　　　　 C. put off　　　　　 　　　 D. taken off

26. - Why is little Jimmy so naughty today? 　　　　　　　　　　　　　 A. will be　　 　　 B. is being

- He is bored, so he _____ a little silly. 　　　　　　　　　　　　　 C. had been　 D. would be

25. - Real Madrid is sure to win the match!

- It's hard to say. You know, anything _____ happen even in the last minute.

A. can　　　　　　　 B. must　　　　　　 　　　　　　 C. should　　　　　　 D. need

24. Thomas set off, leaving word with his daughter _____ he would come back soon.

A. who　　　　　　 B. when　　　　　 　　　　 C. what　　　　　　 　　　 D. that

23. Our train was two hours ______ because of strong winds and heavy rains.

A. late　　　　　　　 B. later　　　　　　　 　　 C. latest　　　　　 　　 D. lately

22. _____ computer has been proved to be _____ important aid in classroom teaching.

A. The; an　　　　　 B. The; the　　　　 　　　　 C. A; the　　　　　　 　　　 D. A; /