I always forget to put a punctuation mark at the end of my sentences.

His guess was wide of the mark.

The construction workers are marking off the area for the new building.

The hedge fund implemented a new mark-to-market policy to ensure timely asset revaluation.

Where is the question mark?

I can't believe it! There's an exclamation mark at the end of the sentence.

The new technology has really made its mark in the industry.

She really made her mark in the business world.

I studied really hard and managed to get full marks on the exam.

The flood reached its high water mark, causing extensive damage to the surrounding area.