Assinale a resposta correta (Lembre-se de que 'Should' é usado para um tom mais suave. E 'Must' no sentido de obrigação.)

1. You ______ study more

2. She has a weight problem. She ______ stop eating fast food

3. John _______ follow the rules

4. You _______ take an aspirin for your headache


1. (A/ must to. B/must. C/should not. D/ should to)

2. (A/should to. B/must. C/must to. D/should)

3. (A/must to. B/should to. C/must. D/should not)

4. (A/should. B/must. C/must to. D/should to)​