5 French Phrases – Find the missing words

I will not even understand that
Je ne comprendrai pas _____ ça

There will be nothing here
Il n'y aura _____ ici

I would live in Madagascar
J'habiterais _____ Madagascar

Does he want to brush his teeth?
Il veut aller _____ brosser les dents ?

Does she want to go to the restroon?
Elle veut aller _____ toilettes ?