45.This morning I went to work in such a hurry that _____ the key to my office at home.

A. forgot 　　　　　B. left 　　　C .missed　　　 　D. lost

44. I first met Lisa three years ago when we ____ at a radio station together.

A. have worked 　　　B. had been working　 　C. were working　　 　D. had worked

42.Mr .Smith always has _____ to tell us.

A. some good pieces of news 　　　　　B. some pieces of good news

C. some good piece of newes 　　　　　D. some piece of good newes

ese is the language spoken by the ____ number of people in the world, but it`s not as _____ as English.

A. largest; widely spoken 　　　B. large; wide spoken

C. larger; sidely speaking　　 　D. largest; wide speaking

41.---- Where`s Mary now? Do you know?

---- No, but I heard ____ in her room a few minutes ago.

A. her singing 　　B. her sing 　　　　C. she was singing 　　D. All the answers are right

40.--- How much ______ the shoes?

---- Five dollars ______ enough.

A. is ; is　　　　 B. are ; is　　　　　　 C. are ; are 　　　　D. is ; are

39. It`s nearly seven o`clock .Jack ____ be back home at this moment.

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

38. If you _____ him tomorrow, please ask him if he ____ to work on the farm with us.

A. see ; goes 　　B. will see; goes 　　　C. will see; will go 　D. see; will go

37. He didn`t tell me anything ______ he left.

A. until 　　　　B. before 　　　　　　C. after 　　　　　D .since