PLEASE HELP ME ON THID TEST !! its timed

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

Iwant to make sure im right on this one, the 'manger' should be 'mange' in this sentence right? "je manger la pizza."

Need answering this question in very simple terms: qu'est-ce qu'on met sur la table chez toi pour un dîner important?