1.       If you are in the church, you _______ speak.
a)       Can
b)      Must
c)       Shouldn`t
2.       Felipe ________ play the guitar, he is an awful musician.
a)       Can`t
b)      Must
c)       Must not
3.       You ________ drive so fast, it`s a little bit dangerous.
a)       Mustn´t
b)      Should
c)       Can`t

(verbos modales )​