用下列词的适当形式填空。

1. He's too old. He can't run _______ (quick).

2. She's very careless. She can't do her lessons _______ (careful).

3. Little Tom is often late for class. His teacher is quite _______ with him. He said to him _______, "Don't be

    late again." (angry)

4. It's dark in the room. Can you see these pictures _______ enough (clear)?

5. Listen, the children are playing games _______ (noisy).

6. There was a _______ rain last night. When I got home, it was raining _______ (heavy).

7. Please take _______ care of the little bird. It can sing _______ (good).

8. Walk _______ in the library, you should keep _______ (quiet).