54. It's many years later that children _____ realize that what their parents said is right.

　　 A. are beginning to　 B. began to　 C. were beginning　 　D. have began to

53. The judges though ______ of the boy whose kite flew ______ in the sky.

　　 A. high, high　　 B. highly, highly C. high, highly　　 D. highly, high

52. He made _____ experiments to prove his theory and the number _____ come to 1000.

　　 A. a good many of, has　　　　　　 B. a large number of, have

　 C. a large number of, has　　　　　 D. a good many, have

51. Can you ______ some of the important discoveries ____in the eighteenth centuries?

　　 A. name, made　　　　　　　　　　　 B. call, being made

　　 C. call, made　　　　　　　　　　　 D. name, having been made

50. Cutting down so many trees _____ the environment while planting more trees really _____ human beings.

　　 A. is bad for, do good to　　　　　 B. does bad for, does good to

　　 C. is bad for, does good to　　　　 D. do bad to, do good to

49. The money would be better spent _______ more roads or railways in other parts of China.

A. to build　　　 B. building　　　 C. built　　　　　 D. being built

48. There are _____ people buying things _______ expensive.

　　 A. too much, much too　　　　　　　 B. too many, much too

　　 C. much too, much too　　　　　　　 D. too much. too much

47. That the animal can sleep all through the winter without eating is _____ the main use the body ____ food.

　　 A. connected with, makes of　　　　 B. connected with, makes from

　　 C. connected to, makes of　　　　　 D. connected to, makes from

46.The cowboy, his horse ______ a tree, was now in a bar having coffee.

　　 A. tied for　　　 B. tied to　　　　 C. being tied for　　　 D. being fled to

45. His novels are welcomed by the young _______.

　　 A. all over the world　　　　　　　 B. throughout the world

　　 C. around the world　　　　　　　　 D. all of the above