Respuesta :
1. D, have to
2. A, have to
3. C, must
4. A, had to
5. A, mustn’t
6. B, ought to
7. D, should
8. C, must
9. D, ought
10. C, boil
2. A, have to
3. C, must
4. A, had to
5. A, mustn’t
6. B, ought to
7. D, should
8. C, must
9. D, ought
10. C, boil