Solving verbal arithmetic problems is difficult.

There are many active volcanoes in Japan.

He is a beginner in this field.

He believed that there was a gold mine in that area.

He is good at addition.

I used silver dragées for cake decoration.

It's my dream to see the beautiful scenery of Pekutusan.

He spent time on the revision of the thesis.

He was demoted and exiled because his misconduct was discovered.

He looked over my report for me.