Interjections, Prepositions and Conjunctions

In the sentence below, yet is what part of speech?

The friends were having a slight argument, yet they still chose each other as their science partner.

In the sentence below, inside is what part of speech?

Can you determine what is inside is what part of speech?

In the sentence below, against is what part of speech?

Do you see that man leaning against the wall?

In the sentence below, yuck is what part of speech?

Yuck! I just drank milk that had gone sour?

In the sentence below, so is what part of speech?

Denise overslept and missed the bus, so her mother had to drive her to school.

In the sentence below which word is considered an interjection?

She looked down the street. "Whoa," she said. You're biking real fast!"

In the sentence below which word is considered an conjunction?

Johnny enjoys eating icecream, but he does not like vanilla.

In the sentence below which word is considered an preposition?

As we walked through the door of the store, we heard the bell ring.

Give an example of a preposition and use it in a sentence.

Give an example of a conjunction and use it in a sentence.

Give an example of a interjection and use it in a sentence.