Répondre :
Bonjour,
Réponse :
a. This is something men had on their heads during WWII = a helmet ( casque )
b. You wear them when it is very sunny = sunglasses ( lunettes de soleil )
c. Ballerinas tie their hair in a bun ( chignon ) when they dance
d. You wear them in winter to protect you hands from the cold = gloves ( des gants )
e. Only men can have one on their chin. = a beard ( une barbe )