1.B 2.D 3.D 4.A 5.B 6.D 7.D 8.C 9.D 10.A 11.B 12.C 13.C 14.D 15.C 16.C 17.C 18.D 19.B 20.D 21.C 22.B 23.A 24.C 25.B 26.A 27.B 28.C 29.B 30.C 31.B 32.D 33. C 34.B35.A 36.D 37.C 38.C 39.A 40.B 41.C 42.B 43.D 44.A 45.A 46.A 47.C 48.A 49.B 50.D

50. --- Hi, Kate. We're going to help Grandma Li with her housework this Saturday afternoon.

--- _________________________.

A．So I am　 B．So do I　 C．So I do　 D．So am I

[练习答案]

49. --- Where's Tom now?

--- He________________ the post office.

A．has been to B．has gone to　 C．went to　 D．goes to

48. --- Jone could swim when she was only four years old.

--- ______________clever the girl was!

A．How　 B．What a　 C．What　 D．How a

47. Could you tell me__________________ ?

A．where does Li Lei work　 B．where did Li Lei work

C．where Li Lei works　　 D．where Li Lei worked

46. The teacher told Xiao Ming_______________ late for school again.

A．not to be　 B．not be　 C．don't be　 D．not to

45. --- Does you sister remember to return the library book today?

--- Oh, yes. Thank you. She's_______________ it for two weeks.

A．kept　 B．had　 C．borrowed　 D．keeping

44. --- When did you go to bed last night?

--- I didn't go bed　 ____________my father got home.

A．until　 B．while　 C．after　 D．when

43. --- Must I finish my homework now?

--- No, you__________ .You may have a rest first.

A．mustn't　 B．can't　 C．may not　 D．needn't

42. Mr. Yu gave some new words to Lucy and asked her to_____________ on the blackboard.

A．write it down　 B．write them down

C．write down it　 D．write down them