Question

Include expressions you would use with a teacher or with someone else with whom you would speak formally.

Answer 1

Hola, ¿como está?
Yo estoy muy bien, gracias!
Es muy bueno verle!
Encantada(o) de conocerle.
Me gustaría hablarle otra vez.

Pretty much replace any “tu” with “usted” or -le or -la or -lo

Hope this helps :)

Answer 2

Answer:

To introduce myself to a teacher:

-Buenos días profesor soy (your name) y vengo de (your country)

To say goodbye to a teacher:

-Hasta la proxima clase profesor tenga un buen día

To express admiration for a teacher

-Usted es un magnifico profesor

To tell the teacher that he is very smart

Es usted muy sabio y culto

Explanation:

I hope I've helped;)