He is skilled in operating anti-tank weapons.

The water truck was cleaning the road.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.

I have been to Outer Mongolia.

I have been to Chicago.

The Paleogene period was a very important time in the history of the Earth.

My new bicycle is very fast.

He performed a circus act on a unicycle.

My grandfather used to be a steam locomotive driver.

He commutes by two-wheeled vehicle.