Choose the most appropriate adjective.
I don’t have ______ classmates.

many

The correct adjective to use in the blank is many.(OPTION 3)

The word many can be used to describe a large number of something. In this case, I don't have many classmates, which means that I do not have a large number of classmates.

The other options are incorrect.

• Much more indicates a large increase in quantity or amount.
• So many is a more informal way of saying many.
• None of the above is not an adjective.