Need help with this French assignment

Fill-in the blank with the correct form of the verb: tu la musique de ton frère dans ta chambre. entends entendent entend entendez

Using the preposition as a hint, choose the correct conjugation of the appropriate verb. elles __ d'australie. -vont-venez -viennent-venonsfill in the blank with the correct preposition: ils vont __ france. -a-en-du-de

In this sentence should the 'de' be 'du'? "non, je ne fais pas de sport."