35. ____ in thought, he almost ran into the car in front of him.

　 A. Lost　　　 B. Having lost　　　 C. Losing　　　 D. To lost

34. Only in this way_____ to make improvement in the operating system.

　 A. you can hope　　　　　　 B. you did hope　

　 C. can you hope　　　　　　 D. did you hope

33. Though _________, climbing does much good to students’ health and character.

A. to be tiring　　　　　 B. tired　　　　　　　　　　　　 C. tiring　　　　　　　　　　　　 D. to be tired

32. If you are _______ about the Pyramids in Egypt, just read the book written by Dr. Brown.

　　　 A. anxious　　　　　　　　 B. curious　　　　　　　　 C. serious　　　　　　　　 D. puzzled

31. _Would you like tea or coffee?　

　 _ ____ . I really don’t mind.

　 A. Both　　　　 B. None　　　　 C. Neither　　 D. Either

30. ____ from what he said and did, Mr. White is a doctor.

A. Judge　 　　　 B. Judged　 　　 　C. Being Judged　　　 D. Judging　　　

29.　 _____ leaves the room last ought to turn off the lights.

　 A. The person　　 B. The one　　　　 C. Whoever　　　 D. Anyone

28. The scientists are now trying to discover what use could be____ such material.

　 A. made out　　　 B. made of　　　 C. made up　　 D. made from

27. Plenty of fresh air contributes____ good health.

　 A. in　　　　　 B. for　　　　 C. to　　　　 D. with

26. A nest is to a bird_____ a house is to a man.

　 A. what　　　　 B. when　　　 C. how　　　 D. where