He calls that business a cash cow.

He heated the iron in the blacksmith's shop using a bellows.

She opened the jewelry box and found a new necklace.

There is a new email in my inbox.

What will you use this empty box for?

I go to school with a lunchbox every day.

I go to school with my lunchbox every day.

He opened the wooden box and checked its contents.

He was caught hiding a pornographic magazine.

Mr. Yakimoto is my best friend.