52. ________(quarrel) with others isn’t good manners for everyone.

用括号内所给动词的适当形式填空，并将答案写在答题卡标有题号的横线上。

51. She _________ (write) twenty pop songs which are liked by fans by the end of last year.

50.He is very happy because tomorrow is his _________(九十) birthday

49. Daniel’s mother has devoted ____________(she) to the teaching of Home Economics.

48. He has had a bad toothache. He must be at the____________(dentist) at the moment.

47. The three _________(spaceman) of the spaceship were warmly welcomed in Hongkong.

46. At present people like to eat _________(health) food and do more exercise.

45. Mrs Gao is the _________(严格的)teacher I have met in my life.

(B)根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。

44. Hand-foot-mouth disease is terrible, but I believe that we Chinese can fight against it _____________(成功地)

43. Peter can’t go and I can’t ,__________(也)