Hi!
So number 1.) Quella phrase est correcte?
The answer goes to A! Je vais a Paris demain! (:
While question 2.) Quelle phrase est correcte?
That would go with C! J'ai bien nage le mois dernier! (:
So Basically...
1.) A
2.) C.
I hope all is well, and you pass! Good luck, rockstar! (: I'm pretty fluent in french!