39. Please drop ＿＿＿＿＿＿＿ my home when you are free.

　　 A. in　　　 B. on　　　 C. in on　　　 D. in at

38. ＿＿＿＿to my regret, I am unable to accept your warm invitation.

　　 A. Very　　　 B. Much　　　 C. Great　　　 D. A lot

37. We often say that something is “as light as air”, but air is＿＿＿light.

　　 A. hardly　　　 B. rather　　　 C. so　　　 D. really

36. The boy　 was＿＿＿＿＿＿eager to get a geography book.

　　 A. more　　　 B. too　　　 C. much　　　 D. far

35. -- Excuse me, could you tell me the way to the station?

　　 -- The station? Take the second turning＿＿＿＿＿and＿＿＿＿＿＿.　　　　　　　 　 A. to left； then go straight on　　　

　　 B. to the left； then go straight on

　　 C. to left； then go right forward

　　 D. to the left； then go right forward

34. I was wondering what to do and＿＿＿＿＿＿Mr. Wang came in.

　　 A. just　　 B. just now　　 C. just then　　 D. justly

33. David jumped＿＿＿to get the first＿＿＿the beginning of the sports.

　　 A. enough high； in　　　　　　 B. enough highly； in

　　 C. high enough； at　　　　　　 D. highly enough； at

32. By the time the fire-fighters arrived, the fire had been put＿＿＿by the teachers and the students.

　　　 A. down　　 B. away　　 C. out　　 D. off

31. Such a problem is＿＿＿＿difficult for a primary school student ＿＿＿.

　　 A. so； to work　　　　　　　　 B. very too； to work out

　　 C. rather too； to work out

　　 D. quite too； to answer

30. The railway was opened＿＿＿＿＿＿traffic＿＿＿＿＿＿＿ April 4, 1985.

　　 A. to； on　　　 B. to； in　　　 C. by； on　　　 D. for； on