I read this weekly magazine every week.

He was behaving as a model prisoner in the prison.

We crossed the river by crossing the pontoon bridge.

We should respect the ancient customs of that region.

He is doing a specialized study in economics.

He is specially studying mathematics.

I found a Japanese clover flower in the park.

Telescopium is one of the constellations in the southern sky.

He is observing stars using his new telescope.

I recommend getting vaccinated against hepatitis A.