1. always

2. never

3. often

4. usually

5. sometimes

6. seldom

7. sometimes

8. always

9. usually

10. sometimes

11. never

12. often

Bài 15:

1. We never play soccer in the street.

2. My father is always busy on Sundays.

3. He sometimes sends me a present.

4. They don't often go swimming in the winter.

5. The children are usually interested in computer games.

6. He often listens to the radio.

7. They sometimes read a book.

8. Pete never gets angry

9. Tom is seldom very friendly

10. I rarely take sugar in my coffee.

Bài 17:

1. My sister is always puncual.

2. David is sometimes a bit sad.

3. Our teacher often gives us a lot of homeworks.

4. We usually write our compositions for the English class.

5. She is never late to work.

6. Hardly I ever go to the cinema.

Bài 14:

1. always

2. never

3. often

4. usually

5. sometimes

6. seldom

7. sometimes

8. always

9. usually

10. sometimes

11. never

12. often

Bài 17:

1. My sister is always puncual.

2. David is sometimes a bit sad.

3. Our teacher often gives us a lot of homeworks.

4. We usually write our compositions for the English class.

6. Hardly I ever go to the cinema.