Bonjour,
Réponse :
1. jim and kelly brush their teeth (brush)
2. I take a shower at seven .(take)
3. my friend dries his hair.(dry)
4. his brother eats breakfast at ten .(eat)
5. the parents play with kids (play)
6.her cousin watches tv (watch)
7. the children drink chocolate .(drink)
8. you and your brother get dressed in a uniform.(get)
9. Mr de Niro goes shopping .(go)
Explications :
A toutes les personnes ( base verbale = infinitif sans "to" )
sauf 3ème personne du singulier ( base verbale-s )