35. I think you should complain, _____, of course, you are happy with the way things are.

　 A. until　　　　　　 　B. although　　　　　　 C. when　　　　　　　 D. unless　 　　　　

34. Rescuers had to _____ the search because of worsening weather conditions.

　 A. call off　　　　　　 B. take off　　　　　 　C. come off　　　　　 D. cut off　　

33. -Are you sure Mike will help us if we are in trouble?

　 - _____. He is a reliable friend.

A. It doesn’t matter　　　　　　　　　 　　B. Don’t take it to heart　

C. You can count on it　　　　　　　　 　　D. No problem　　　

32. Nowhere else _____ be able to find a larger display of sea animals, including one of the largest collections of sharks in the world.

　 A. you will　　　　　 B. can you　　 　　C. could you　　　　　 D. will you