用所给动词的适当形式填空。

1. Mike enjoys _______ (ask) questions.

2. You must _______ (put) up your hands if you want to answer questions in class.

3. Don't _______ (play) football in the street.

4. I have to practice _______ (speak) English.

5. It's raining all day. So I have to_______ (stay) at home.

6. It's good for health _______ (take) a walk after supper.

7. Do you mind my _______ (open) the window?

8. He often goes to school without _______ (have) breakfast.

9. You all must _______ (wear) hats and heavy coats because it's too cold outside.

10. Old people want _______ (look) young and beautiful. Do they love wearing colorful clothes?

11. "Please be quiet. Don't _______ (talk)!"says our English teacher.

12. Don't _______ (go) out on rainy night. It's not safe.

13. You need _______ (practice) your drums every day.

14. Jack goes to the zoo _______ (see) the lovely pandas.

15. After school he also _______ (have) to help his mum with some housework.