1. 用方框中所给单词或短语的适当形式填空

fool,   fierce,   escape,   wake up,   protect

1. （1） Bob, you are really a to do such a silly thing.
3. （2） Each of us is supposed to the environment.
5. （3） The radio said a monkey from the zoo last Friday.
7. （4） Tigers are animals. Many people are afraid of them.
9. （5） I very late yesterday morning. So I was late for class.