They (girls) study at the library every day.

I forgot my flip-flops, so I have no choice but to walk barefoot.

I am waiting for his arrival.

I played with a beach ball at the sea.

They (referring to women or girls) are my best friends.

I bought a new beach towel.

He went to the beach wearing a tight-fitting men's swimsuit.

His research is drawing society's attention to environmental issues.