53. 很多老年人喜欢沿着河边散步。

52. 每年，地球上都有一些动物灭绝。

Every year, some animals on Earth_•

51. 现在，很多人喜欢在乡下度假。

Now many people like to spend their holidays_

50. His book _(包括)a lot of information about his

family.

49. Mr Smith spent one thousand_(美兀)on his new

computer.

48. This morning an old man_(突然)died in the park.

47. Last week my friend Mike went to_(印度).

46. Some people use_(黄金)to make rings.

45. Both his parents died in a traffic a_ten years ago.

44. Yesterday we had no chicken,so we ate fish i_.