Are this sentence natural? XII.V.MMXIX

He failed chemistry four times but he never let himself off the hook.

In the distance, I heard a sound like steps.

Our new teacher is so impartial. She never listen to us.

Teletext is a reminiscent of childhood.

The invigilators was a bit slack so we cheated in exam.

She discomfited me for not doing homework. Almost punched her

Do you have some money?

No, all I've got is paltry.