Please give me a cup of coffee.

This pool requires about 50 cubic meters of water.

In Japan, the metric system is commonly used.

Please sit in this seat.

Please wait until your turn.

To convert dollars into yen, use the current exchange rate.

This park is empty.

This park is always empty.

Learning about the history of Samhan is very important for understanding ancient East Asian culture.

I plan to visit and observe a class at school tomorrow.