Dear (Mr., Mrs. or Ms.) (insert teachers name)
If it is not too much to ask, may you please help me with any of the following three problems.
from,
(your name)
A. The book was very expensive, so I didn’t buy it.
D) find a meter that sounds like a metronome.
(Hope I could help! Let me know if I made a mistake!) :)
The correct answer is his, that is a possessive pronoun.