Question

"Margarita e Inés, ¿quién es____profesora de matemáticas?"

"La señorita Hernández es nuestra profesora."

a.su
b.tu
c.mi
d.nuestro

B?

Answer 1

You are speaking to 2 girls so you must choose a plural one. "su" goes with "your = plural" in this case.

Sra

Answer 2

Thank you!

Answer 3

Again, you are most welcome.

Sra