He is angry, so what?

My second son is a university student.

Even when he faces a small misfortune, he always deals with it calmly.

How many times have you sung that song?

I have had loose stools since yesterday.

In organic chemistry, nonane is a saturated hydrocarbon consisting of nine carbon atoms.

What floor is the library on?

How many times have you been to Japan?

I am planning to go to Jinan next week.

If you don't mind, you can use my car.