What part of speech is the word "loud" in the sentence below? I was startled by the loud alarm!

What part of speech is the word "popcorn" in the sentence below? I like to eat popcorn at the movie theater.

What part of speech is the word "us" in the sentence below? Dad asked us to finish our chores.

What part of speech is the word "kindly" in the sentence below? He kindly smiled at the new student.

Which is the correct plural form of the word "fox"

Which is the correct plural form of the word "inch"

Which is the correct plural form of the word "house"

Which is the correct plural form of the word "person"

Which is the correct plural form of the word "thief"

Which is the correct plural form of the word "story"