Question

I'm sorry I can't hear what you ( say ) _________ because everybody ( talk ) ________ so loudly.​

Answer 1

Answer:

said, talked

I think it is correct

Answer 2

Answer:

I'm sorry I can't hear what you says because everyone talk so loudly.

Explanation:

First was simple present tense because it happen in present and 2nd also same.

Hope you understand