45.( 　　) -Have you given Mr. Li the passage?

　 -Not yet. I will give it to him as soon as he 　　　　　?

　　 　　 A. is coming back B. will come back C. comes back　　　 D. came back

44.(　 　) Which sign of the following means“You mustn't smoke here”?

43.( 　　) Tom lent as much money as possible to his friends 　　　　　　he wasn’t very rich.

　　 　　 A. as 　　　　　 B. though　　　　　　　 C. since　　　　　 D. because

42.( 　　) -How’s the weather in Canada?　

　　 -Oh. It’s very 　　　　　　in November, and it’s even 　　　　　　in December.

　　　　　 A. colder, coldest　 B. cold, cold 　　　　 C. cold, colder　　　　　　　 D. colder, cold

41.( 　　) -Must we collect the waste paper and bottles now?

-　　　　 . You can do it after class.

　　　　　 　A. Yes, you must　 B. No, you needn’t C. Yes, you may　 D. No, you mustn't

40.(　 　) -Excuse me. May I use your computer?

　　 -　　　　 . It’s broken.

　　　　　 　 A. Sure　　　　　　　　　　 　　 B. Yes, here you are

　　　　　 　 C. With pleasure　　　　 　　 D. I’m afraid not