50. ---Now the air in our hometown is even __________ than it was before.

　 ---So we must do something to stop it.

　　 A. better　　　　　　 B. dirty　　　　　　　 C. more better　　　　 D. worse

49. ---________ have you been away from your hometown?

　 ---For about 13 years.

　　 A. How soon　　　　 B. How far　　　　　　 C. How long　　　　 D. How many

48. During the entrance(升学) exams, there are ___________ parents waiting for their children outside the test center.

　　 A. thousand of　　　 B. thousands of　　　　 C. thousand　　　　 D. thousands

47. ---The coffee is good. ______________?

　 ---Certainly. I am very glad you love it.

　　 A. Could I have another cup　　　　　　　 B. What about something else

　　 C. Why not have a taste　　　　　　　　 D. Where did you buy it

46. ---What are you going to give your mother for her birthday?

　 ---I’m not sure. But I’ll buy her _________.

　　　 A. something special　　　　　　　 B. anything special

　　　 C. special something　　　　　　　 D. special anything

45. ---I’m so happy that you could come to England with us for the holidays.

　 ---___________. It’s the first time for me to be out of China.

　　　 A. I think not　　　 B. Me, too　　　　 C. Thank you　　　　　 D. All right　　　　

44. Even the best students in our class couldn’t answer this question, so it ________ be very difficult.

　　　 A. must　　　　　　 B. could　　　　　　 C. may　　　　　　 D. can

43. ---Did they enjoy _________ at the party last night?

　 ---Yes, Some of _________ even went home late.

A. they; themselves　　　　　　 B. them; themselves　　

C. themselves; they　　　　　　 D. themselves; them

42. ---Why did ________ take Aunt Alice an hour to get home?

　 ---I don’t know. Maybe there was something wrong with her car.

　　　 A. that　　　　　　 B. it　　　　　　　 C. she　　 　　　　　D. this

41. ---I hear a traffic accident happened yesterday. Was it terrible?

---Yes, A car fell over and all the people in it were badly hurt. But luckily, __________of them were killed.

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