What form of ser would you use in spanish for mario?

Which of these expressions is the most casual way to greet a friend

Listen to what charlie will do on his day off depending on the weather and answer the following question. 00: 00/00: 58 click here for the audio. si no llueve, charlie irá a caminar con sus amigos por el centro. true false

David (escribir) una carta a su amiga. escribiste escribió escribí escribó