六、用所给单词的适当形式填空（5分）

56.―       you  (have) your breakfast?―No,not yet.

57.No one      (be) to Mars yet.

58.―Who          (discover) Mars?

―I don’t know. Maybe we should ask the teacher for help.

59.None of my friends          (see) an astronaut.

60.I     (not h ear) from Tom for a long time.

七、句型转换（5分）

61.Jim eats lots of vegetables so that he can keep healthy.(改为同义句)

Jim eats lots of vegetables            keep healthy.

62.This problem is so easy that we can solve it.(改为同义句)

This problem is            for us  .

63.Maybe he is in his room.(改为同义句)

He           in his room.

64.This book i s less interesting than that one.(改为同义句)

This book isn’t           that one.

65.He can finish his homework alone.(改为同义句)

He can finish his homework              .

八、完成句子（5分）

66.太空中有数十亿的行星。

There are             planets in space.

67.老师告诉我们月亮围绕地球转。

The teacher told us that the moon              the earth.

68.如果你有任何问题，你可以和你的老师交流一下。

If you have any question,you can              your teacher.

69.他在上海已经住了二十多年了。

He has lived in Shanghai for              twenty years.

70.火星离地球很远。

Mars is very               the earth.

九、书面表达（共15分）

假设你是To m，学校组织了一项活动，要求同学们给外星人写一封信，向他们介绍一下地球的一些情况，写出太空方面的一些成就，并表达人类愿与他们交流的想法。

要求：语言流畅，不少于100词。