53. At the end of 1978, China began to r______ in many fields.

52. He i______ his willingness with a nod of his head.

51. No one can give an accurate f______ of whatever may happen.

50. Only one person can do this job, n______ you.

Unit 6

49. With the a______ of Christmas the weather turned colder.

48. He e______ almost all his spare time in reading.

47. Do you have any p______ that he is a thief ?

46. G______ speaking, he gets up very early.

45. Young people are quickly i______ by new ideas.

44. The A______ is the second ocean after the Pacific.