The keys:

　　一、单项选择。

　　1. D    2. B    3. B    4. B    5.C    6. B

　　二、动词填空。

　　1. will be          2. won't believe ; sees    3. will win

　　三、句型转换。

　　1. China will be a modern and strong country in twenty years.

　　2. Will you study hard from now on?

　　3. She won't speak English at the meeting before long.