Use of parts of speech in conversations

a. Who is the tallest boy in the class? ( adjective)
b. Ravi is the tallest boy in the class.

a. Where is he sitting? (preposition)
b. He is sitting on a chair.

a. What does he do? ( conjunction)
b. He is not only a teacher, but also a good singer.

a. Where is your phone? (pronoun)
b. Mine is on the table.

a. How does he drive? (adverb)
b. He drives carefully.

a. What did you get for your birthday? (noun)
b. I got a bouquet of flowers.

a. What a car! (interjection)
b. You seem to love cars.

a. Though he is not good at English, he can manage his professional work. (conjunction)
b. That is what I like about him.

a. Let me help you. (pronoun)
b. Thank you! I can do it myself.