I have been in a long-term association with him.

His attack was very powerful.

His resistant attitude was a big problem for his parents.

I go to the bank every Friday.

My great-great-grandmother lived a very long life.

My schedule has changed.

This epidemic is spreading all over the world.

He is majoring in mineralogy at university.

Mineral oil is often used in the manufacture of cosmetics and pharmaceuticals.

A variety of species live in the temperate rainforest.