The Can / Must Game Bonsoir, je ne comprends pas très bien cette exercice d'Anglais qui est pour demain. Pourriez-vous m'aider svp.

The blind man must be careful and use his white stick because he cannot see what is just in front of him
Dogs cannot go in shops
The girl can have her hair cut to the hairdresser.
The little boy must not walk on the grass
The boy on the bike must not turn left
The lady must cross the street on the crossroad
The black car must stop if the red light is on
                      must wait to let the woman cross the road
we can see a UFO  (unidentified flying object) (UFO =OVNI) next to Big Ben
The little blond girl can give a coin to the musician
The policeman (the Bobby) must check around him what is going on
The musician cannot play music because he has no instrument

bonne nuit