47. before                   B. when                       C. after                        D. while

46. A. left                  B. found                       C. visited                      D. reached

44.        they arrived early at the airport, they never missed the flight.

   A. If                    B. because             C. As soon as                D. although

43. ―Can you tell me       ?

   ―Yesterday.

   A. when did he buy the car           B. where did he buy the car

   C. when he bought the car            D. where he bought the car

42. ―What do you think of the football match?

   ―Wonderful. They have never played       .

   A. best                  B. better                       C. worse                D. worst

41. The Chang Jiang river is about 6300 kilometers       .

   A. long                 B. tall                          C. wide                 D. high

40. The also wrote         of beautiful pieces of music for the orchestra.

   A. hundred            B. six hundred                     C. a hundred          D. hundreds

39. The telephone        by Alexander Graham Bell in 1876.

   A. was invented     B. has been invented      C. is invented         D. will be invented

38. Help! Wang Qiang        an accident.

   A. was having        B. had had                    C. has had             D. will have