Resposta :
Resposta:
a) My advice is: if you are annoyed with her, you ____should_____ tell her.
b) You ____mustn't_____show this message to anyone else. It’s a secret and I don’t want anyone else to know about it. Got it?
c) Soldiers ___must_____ obey orders.
d) The conference was totally disorganized. Nobody knew what they ___were supposed to_______ be doing.