leur without s because one house
Explanation
when answer has bien or mal, ask "how"
masculine
masculine because pen is masculine
feminine
leur is their because two people, leurs with s because plural bikes
your is votre or vos, here vos because livres is plural.
plural
avec qui because it's avec Claire. parles with s because it's tu form
hiver=winter
où=where, voyages with s because tu form
qu'=what, aimes with s for tu form
use pourquoi (why) when answer has parce que (because)
specific time so use à quelle heure instead of quand.