Is it a singular or plural subject, or a singular or plural direct object?

In the garden, Quintus was teasing the slave girl.

Is it a singular or plural subject, or a singular or plural direct object?

The discus flew through the air and hit Milo in the head.

Is it a singular or plural subject, or a singular or plural direct object?

When did Mt. Vesuvius destroy Pompeii?

Is it a singular or plural subject, or a singular or plural direct object?

While the Pompeians were praising the gladiators, the trumpet sounded for the fight to begin.

Is the word/phrase in bold going to be singular or plural nominative, or singular or plural accusative?

All the Pompeians love watching the gladiators fight.

Is the word/phrase in bold going to be singular or plural nominative, or singular or plural accusative?

The artist was painting a beautiful picture on the wall of the dining room.

Is the word/phrase in bold going to be singular or plural nominative, or singular or plural accusative?

While Milo was exercising, his friends were practicing in the exercise yard.

Is the word/phrase in bold going to be singular or plural nominative, or singular or plural accusative?

The gladiator gave a rose to the pretty girl.

Is the word/phrase in bold going to be singular or plural nominative, or singular or plural accusative?

Once the gates opened, the lions rushed in and ate all the gladiators.