40. Robert is said ______ abroad, but I don’t know what country he once studied in.

　 A. to have studied　 B. to study　　 C. to be studying　　 D. to have been studying

39. The reason why he has been such a success ____ he never gives up. 　 A. is what　　 　 　B. is that　　　　　 C. is because　　 　　D. is why

38. ---- ____ that he managed to get the information?

　 ----Oh, a friend of his helped him.

　 A. Where was it　 B. What was it　 C. How was it　 D. Why was it

37. In order to make our city green, _____.

A. it is necessary to have planted more trees　 B. many more trees need to plant

C. our city needs more trees.　　　　　　　 D. we must plant more trees

36. I knew nothing about the accident ____ I read in the newspaper.　　　　　　　

　 A. except what　 　B. except that　 　C. besides what　　 D. besides that

35. It was in the small house ____ was built with stones by his father ____ he spent his childhood.

　 A. which; that　　　 B. that; where　　 C. which; which　　 D. that; which

34. They were surprised that a child should work out the problem, ____ they couldn’t.

　　　 A. once　　　　　　　　 B. even if　　　　　　　 C. while　　　　　　　　 D. since

33. You might wonder how they _____ to live without eating for so many months.

　　　 A. succeed　　　　　　 B. manage　　　　　　 C. attempt　　　　　　　　　　 D. try

32. The young man spent as much time as he 　　　　over his lessons.

　 A. went　　　　　 B. has gone　　　　 C. would go　　　 D. could going

31. She shouldn’t ____ that gift, for it _____ her sister.

　 A. accept, belongs to　　　　　　　 　B. accept, is belonged to

　 C. received, belongs to　　　　　　　　 D. received, is belonging to