根据句意及首字母或汉语提示，将单词的正确形式写在相应的横线上。

1. We can see many kinds of ________(动物) in the zoo.

2. Dogs are very ________(友好的) to people.

3. An elephant eats a lot of ________(草) every day.

4. The reporter is busy t_________to people.

5. My mother is a policewoman. She w________ uniforms every day.