He decided to resell the concert tickets.

He got promoted by using flattery on his boss.

He never stopped smiling in order to flatter his boss.

My younger brother will go to a new school for changing school.

He had to change schools because of his family's job transfer.

We must use natural resources carefully.

He is good at becoming tenpai in mahjong.

The new transfer student came to our class.

I have revised your essay.

He revised my report for me.