45 Tom is really in a good mood. Therefore; nothing can ______ his mood today.

A. darkness .        B. darken              C. dark                    D. darkly

46. Jack ______ so lonely before he moved to Sydney.

A. had never been    B. wouldn’t be            C. was never                D. has never been

47. Peter spent most of his time ______ in the library and rarely went out with his friends.

A. to sleep                                  B. slept                   C. sleeping                     D. sleep

48. Daisy: “I’ve just found 20 dollars in my pocket!

    Mary: “__________!”

A. Thanks a lot                B. How crazy                C. How cool                D. That’s right

49. Mai: “Would you like to join us on the trip to La Khe Silk Village?       

    Lan: “__________.”

A. Sounds great.             B. For now.             C. Better things happened.          D. I don’t think so.

50. By December next year, we ______ in this house for twenty years.

A. will live                B. have lived              C. will have lived          D. had lived

51. In Viet Nam, people enjoy ______ newspapers and magazines.

A. to read                        B. reading                       C. read            D. in reading

52. Schools must try to make science more ______ to youngsters.

A. attractive             B. attraction              C. attract               D. attractively