Answer:
Use tú for informal situations such as with a friend, children, young people, people you know very well. Use usted (Ud.) for formal situations such as in a job interview, in a bank, with elderly people, with someone you don't know or you have just met
Explanation:
1. Yo espero que tú hables español.
2. Espero regresar temprano.
3. Pienso queesun buen hombre.
4. No creo quevengatemprano.
5. Es nesesario quevuelvaspronto.
Answer: Están ocupados los martes.
Explanation: They are busy on Tuesdays.
1:gualtemateco
2:panameños
3:Paraguay
4: cubanos
5:colombianos
6:costa riqueños
7:texanos
Hey im not sure about the 3 and the 7 one but you can search
