Respuesta:
Must and have ejercicios
a) You don't have to do it.
b) They mustn't smoke inside the room.
c) I can't hear any noise. She must be sleeping.
d) They have been working all day. They must be tired.
e) If you ever come to London, you must come to visit me!
Explicación:
espero te ayude solo pude poner esas
