Plz helpp with this french hw!

Your new boss just entered your office, he says "bonjour monsieur, comment allez-vous? ". how would you answer his question? by saying “ça va. et toi? ” by shake his hand and saying ”salut. et vous? ” by saying “bonjour. et toi? ” and shaking his hand. by shaking his hand and saying ”bonjour. bien et vous? ”

¨ill in the blank with the appropriate past-tense form of the verb in parenthesis. est-ce que tu __ au professeur ? (parler)¨

Using the prepositions as a hint, choose the correct conjugation of the appropriate verb. je __ a la bibliotheque avec ma soeur. -vais-va-vas-viens