The Aztec civilization was very advanced.

We should learn about ancient civilizations.

We should go forward.

He voluntarily took on the job.

We will contact you as soon as we confirm the progress of the construction.

I was amazed at his extraordinary talent.

Please press this button in case of emergency.

It is a very beautiful view.

Japan's civilization and enlightenment progressed by incorporating Western culture and technology.

Please use the emergency stairs in case of a fire.