Question

Modals: should, shouldn't, must, mustn't
1 Choose the correct option.
We use must to refer to a strong obligation – to
say something is essential or to state a rule / to
give advice / to suggest a good idea.
1 We use should to give instructions / advice /
news – or to say something is a good idea.
2 We use mustn't to talk about something that is
allowed / prohibited / essential.
3 After should(n't) and must(n't) we use the verb
and / with / without to.
4 The form of the modals is the same for all
subjects / objects / verbs.

Answer 1

Respuestas: to a strong obligation / to give advice / advice / prohibited / with / verbs

Explicación:

Me estoy sacando el B1 y creo que esas son las respuestas