根据所给词的适当形式填空。

1. Look, the Browns________ (have) lunch.

2. He is a young man ________ (call) Jim.

3. We will have a maths test the ________ (follow) week.

4. If you don't see the doctor at once, you'll get even ________ (ill) later on.

5. Tom and I are old enough to take good care of ________ (we).

6. How about something________ (drink)?

7. The young parents were worried because of the ________ (lose) of their son.

8. ________ (luck), they found their lost son.

9. The other students in the class keep their eyes________ (close).

10. We must do something to protect these ________ (danger) birds.