I need to do a revision of my essay before submitting it.

She submitted her resignation letter yesterday.

Regular exercise is beneficial to our health.

I saw a colorful balloon floating in the sky.

Please fasten your seatbelt before takeoff.

I stayed overnight at my friend's house.

There is a discrepancy between the two reports.

I picked up a brochure at the tourist information center.

She is interested in jazz.

The bacteria in our gut play a crucial role in our overall health.