What french subject pronoun would you use when talking to your friend

Translate this to french: hi xavier! how are you doing? i have been taking math and english classes lately. they are both in the afternoon. today i went to dance, and it was fun. till next time!

Choose the best translation of the following sentence.i know what is happening.je sais que arrive.je sais ce que arrive.je sais qui arrive.je sais ce qui arrive.

1. conjugue le verbe choisir à la première personne du pluriel. (conjugate the verb: choisir in the first person of the plural. 2.conjugue le verbe enseigner à la troisième personne du pluriel. (conjugate the verb: enseigner in the third person of the plural. 3.conjugue le verbe parler à la première personne du pluriel. (conjugate the verb: parler in the first person of the plural. 4.conjugue le verbe danser à la deuxième personne du pluriel. (conjugate the verb: danser in the second person of the plural. 5.conjugue le verbe perdre à la troisième personne du singulier. (conjugate the verb: perdre in the third person of the singular.