49. He is an honest boy. I have no reason to _______ what he said.

A. hear 　　　B. doubt　　　 　C. repeat 　　　D. believe

48. As we all know, the Silk Road _______ China to the west in ancient times.

A. connects 　　B. connected 　　C. will connect 　　　D. is connecting

47. Spend more time talking with your parents, _______they may not well understand you.

A. or　　　 　B. so　　　 　C. and　　 　D. but

46. Rose finished her study in the university and went to___ a good job.

A. take after 　　B. look after　 　C. care for 　　D. search for

45. You can take_______ of the two toy cars and leave the other for your brother.

A. both 　　　B. none 　　　C. either 　　　　D. neither

44. I don't _______ the heat, for I'm used to hot weather.

A. like 　　B. mind 　　C. know 　　　D. stand

43. _______the sun was not yet up, many people were already taking exercise in the square

A. As 　　　　B. If 　　　　C. Though　 　　D. Because

42. —Jim, remember to return this book by Friday.

　　 —_______.

A. Got it 　　B. Good luck 　　C. That's right 　　D. It's nothing

41. Mr. Wang has left for Guangzhou. He ____ a speech there in two days.

　　 A. gives　　 B. gave　　 C. will give　　 D. has given

40. If my frirends have any problems, my door is ______ open to them.

A. never　　 B. seldom　　　　 C. sometimes　　 D. always