He loves mountain climbing.

Mountainous areas are ideal for hiking.

I climbed three mountains.

Mr. Yama is my best friend.

When spring comes, I go to the mountains to look for bamboo shoots.

He read quite a lot of books.

This necklace is very expensive.

My grandmother is good at making traditional Tang confectionery.

He made the sentence clear using commas.

Touten is always the most energetic in the class.