I wrote the problem on the blackboard using chalk.

He wants to learn about the life of nomads.

Bokukko loves her mom's homemade lunch box.

He does nothing like a good-for-nothing.

I saw a woodpecker pecking at a tree.

New wall bars have been installed in the gymnasium.

Nomads move locations depending on the season.

He is raising cows in the pasture.

This picture is drawn with ink.

He is majoring in civil engineering.