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Exercise 1 Exercise 4

1. Didn’t we 1. B
2. Could they 2. B
3. Haven’t they 3. D
4. Are they 4. A
5. Have you 5. C
6. Should you 6. C
7. Is it 7. B
8. Mustn’t you 8. D
9. Doesn’t he
10. Don’t you

Exercise 2

1. More expensive
2. More difficult
3. Largest
4. Most listened; most enjoyable
5. Good; better; worst
6. Best; lowest
7. Least
8. More hardworking
9. Most impressive; thinner
10. Less

Exercise 3

1. Can
2. Can
3. Should
4. Might
5. Shouldn’t
6. Shouldn’t
7. Must
8. Can
9. Might
10. Could