Bonsoir, j’ai besoin d’aide pour cet exercice merci!!

2 Exprimez la possibilité ou l'impossibilité éma.
nant des circonstances : can ou can't.
a. You ... vote in a democracy, but you ... in a dicta-
torship.
b.She ... keep this meeting secret because there are
CCTV cameras all over the place.
c. Eligible voters ... vote in democracies when they
come of age.