56. Tom is old enough to know how to look after ________(he).

C) 根据短文内容，选择适当的单词或词组填在题后的横线上，使短文内容意思完整。

Radio and television are very popular in the world today and 　57　 　people can see and hear what happens in the world. Now radio is still with us. And the number of the 　58　 　is becoming larger. One reason for this is the invention of the transistor (半导体) radio. A transistor radio is small and easy to 　59　 .You can put one in your pocket and listen to it on your bike when you go to work. Radio is better for 　60　 , for old people whose eyesight is not good enough to watch TV, and for people who are busy working. What’s more, radio is 　61　 　than TV.

55. Pandas are one of　 ___________ (popular ) animals in the world.

54. It’s ____________(use) to do anything. It’s too late!

53. You can finish the work without 　　　　　　(get) up early.

52. Now many students have known the 　　　　　(important) of being honest.

51. Please don’t go out. It’s raining 　　　　　　(heavy) outside.

50. The People Road is the ___________ (繁忙的) street in our city.

B) 根据句子意思，用括号中所给单词的适当形式填空。

49. Simon lives on the 　　　　　　(第九)floor in that tall building.

48. Sue always 　　　　　　(分享) things with her friends.

47. He is 　　　　　　　(幸运的) enough to pass the final examination.