Is there supposed to be a question??
Answer:
We have homework in class. (little)
Explanation:
Tenemos is the nosotros form of tener. so you could say "nosotros tenemos" but "tenemos" works because tenemos is the only way to say the verb tener in the nosotros form so people get what you mean when you just say tenemos
Answer:
yo no entendí nada de la lección ayer
Explanation:
Chica is basically la so it would make “la chica” and then the following sentence