Complete the sentences. Use the correct form of the given verb

I. Complete the sentences. Use the correct form of the given verb.
1. He is interested in _____ (play) football with his classmates.
2. My son _____ (eat) a lot of fast food every day.
3. I have a headache. I need to _____ (take) medicine
4. ____ (stay) up late is unhealthy. You should go to bed before 11.p.m.
5. Why don't we go to a restaurant and ____ (enjoy) dinner tonight?