Question

1- comelete with can,may,must,mustn'tem. A)________i close the door?
B)________ go to yout house if i arrive early.
C)_______Take some medicine bocause you're very sick.

Answer 1

A) May I close the door?

B) I can (ou may) go to your house if i arrive early. (depende do contexto)

C) You must take some medicine because you're very sick.