5.    When I heard the news, I couldn’t sop _(怀疑）whether    it was true.

4. Study hard and make as much _ (进步）as possible, will you?

3.    The advice is of great value. I mean it is really _ (珍贵).

2.    I’m sure that nothing is more important than _ (友谊）in    the world.

1. He _ (提及）to us that he would arrive on Tuesday.

10.你能猜一猜我爸爸正在和谁谈话吗?

Can you guess _?

9.儿个学生总是嘲笑Arnie，把她叫做书呆子。

8.你可以通过尽可能多的练习来提高口语。

You can improve your spoken English_.

7. Julie曾是-个尖子生，过去常常在考试中得高分。

Julie was a top student and _.

6.    Nora似乎比以前开心得多。

Nora                                 .