Ответ:

1. d

2. b

3. a

4. d

5. c

6. d

7.  c

8. d

Ответ:

1)  d. have to

2) b. must

3) a. should

4) b. mustn't

5) c. don't have to

6) d. ought

7) c. must

8) c. have to

Объяснение: