49.(　　 )___ water __ air, there can be no life on Earth.

　　 A. Without...and　 　　 B. Without...or　 　 C. Without...but　 　　　 D. With...no

48.(　　 ) -------Are you sure you don’t mind my opening the window? -------- 　　　　　.

A.Yes. Do please. B. Certainly not 　C. No. Do please D. Yes. You’d better not.

47.(　　 ) Miss Green saw a wallet _______ on the ground when she walked past the school gate.

A.　 lie　　 B. lying　　 C. lies　　 D. to lie

46.(　　 ) The game is very _　　 __ and she's _　　 __ in it.

　　 A. interesting, interesting　 B. interested, interested

C. interested, interesting　　 D. interesting, interested

45.(　　 ) Mike likes football a lot. He is 　　　　　tired 　　　　enjoy the football matches.

A. too, to　　 B.　 so, never　　　 C.　 never too, to　　 D.　 so, that

44.(　　 ) They arrived ___ London___ a cold winter morning.

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

43.(　　 ) The Changjiang River is longer than _　　 ___ river in America.

A. the other　　 B. any other　 C. other　　　 D.　 any

42.(　　 ) Gong Qiuyan thought 　　　　　quite 　　　　to learn English well.

　 A. it’s, easy　　　 B. it, easily　 C.　 it’s easily　 D.　 it, easy

41.(　　 ) There’s _　　 __　 in today's newspaper.

A　 .important anything　　　　　　 B.　 important something

C.　 anything important　　　　　　 D.　 something important

40.(　　 ) --------Whose trousers are these?　　　

--------_____, I think.

A. They　　　 B.　 Their　　 C.　 Theirs　 D.　 Them