It's fun to catch crabs in the tideland.

We enjoy picnicking in this park year-round.

There are a hundred houses in this town.

Learning how to use English articles is difficult.

He used to work in an ancient government office.

We are under 24-hour surveillance.

We observed the phenomenon all night long.

The patrol boat is patrolling the sea area.

He used forceps to remove the small parts.

He likes to read Chinese poetry.