That old castle gives off a mysterious atmosphere.

He is raising a sheep.

I am planning to go to Mianyang next week.

He is deeply involved in the study of the meridian system.

The patrol car was patrolling our neighborhood.

A patrol car passed in front of my house.

What is today's task?

Please submit the report before the day is done.

It's not so much a big problem.

Oh, that's right, I remembered what I ate for dinner yesterday.