Question

me podrían ayudar en este ejercicio porfavor?​

Answer 1

Respuesta:

a. We use mustn't to express strong advide or prohibition.

b. We use don't have to say there is no need or obligation to do something

Answer 2

Respuesta:

a) We use mustn't to express strong advice or prohibition.

b) We use don't have to say there is no need or obligation to do something.

Explicación:

a) Mustn't

b) Don't have