45. - Who is your English teacher?

　　 - Mr. White, ____ European working in ____ Nanjing University.

　　 A. an; the　　　　　 　　B. a; the　　　　 C. an; /　　　　　　 D. a; /　

44. I didn’t tell him____ news at once because I wanted to give him ____ surprise.

　　 A. a; a　　　　　　　 B. the; the　　　　 C. the; a　　　　　 D. / ; the

43. You can have ____ second try if you fail ____ first time.

　　 A. the; /　　　　　　 B. / ; a　　　　　　 C. the; a　　　　 D. a; the

42. John spent too much time talking on ____ phone while we were all busy at ____ work.

　　 A. the; /　　　　　　 B. a; /　　　　　　　 C. / ; /　　　　 D. the; the

41. The cotton production has increased by ____ percent this year compared with last year.

　　 A. five point six eight　　

　　 B. five point sixty-eight　

　　 C. fifth point and six eight　

　　 D. five point and six eight

40. This is a ____building, which is about ____ high.

　　 A. six-storey; 38 metre　　　　　　　　　 B. six-storeys; 38-metre

　　 C. six-storeyed; 38 metres　　　　　　　 D. six-storey; 38-metres

39. David helps his mother with the housework every Saturday for about____.

　　 A. one and half hours　　　　　　　　　　 B. a half and an hour

　　 C. an hour and half　　　　　　　　　　　 D. one and a half hours

38. Li Ping was born ____.

　　 A. in the year 1984, at 10 a.m. on June 18th

　　 B. on June 18th at 10 a.m. in the year 1984

　　 C. at 10 a.m. in the year 1984 on June 18th

　　 D. at 10 a.m. on June 18th in the year 1984

37. When the bell rang announcing the end of class, students came out ____.

　　 A. by twos and threes　　　　　　　　　 B. by two and three

　　 C. by two or three　　　　　　　　　　　 D. by twos or threes

36. The population of our village today is 70 percent as much as ____ before liberation.

　　 A. these　　　　　　　 B. those　　　　　　 C. them　　　　　　　 D. that