He was dragging a heavy load.

He burned the paper.

He burned the paper.

He practices every day to polish his skills.

My younger brother is good at addition in arithmetic.

I can't see an end to the argument with him.

I solved this problem over and over again, and finally understood all the patterns thoroughly.

Flash, true to his name, is good at moving instantly.

The music echoed through the mountains.

I like standing at the top of the mountain and looking at the scenery.