Her graceful movements are just like a ballerina's.

Using punctuation marks correctly is important for understanding sentences.

This treaty was concluded to strengthen the friendly relations between the two countries.

I made a reservation at the restaurant.

I started a new job the month before last.

He believes in the geocentric theory.

Global warming is a big issue that affects all of us.

A terrestrial planet may have an environment similar to Earth.

He is an expert in geophysics.

What month is your birthday?