The wolf lives alone in the forest.

That wolf was living alone in the forest.

That wolf was living alone in the forest.

He is an expert in mythology and gave a lecture on the gods of ancient Greece.

I have a deep interest in the culture of the Nordic countries.

The characters in this story are very attractive.

He works at a megabank.

He was born and raised in a megalopolis.

It's better for him not to know the truth. After all, ignorance is bliss.

He is feigning ignorance about that problem.