My graduation ceremony is next week.

I will take the graduation examination next week.

My father has been working as a silk manufacturer for many years.

My hobby is keeping saltwater fish.

This restaurant is open now.

My diploma is displayed on the wall of my house.

Cartilaginous fishes include fish such as sharks and rays.

He is majoring in ichthyology at university.

A new public work is being planned for the development of this area.

This mountain is made of tuff.