Why didn't you bring your wife to the party?

I asked him why he is so sad.

Why do so many people visit Kyoto?

Why is the politician trying to kill off the opinions of the majority?

Why do you study English every day?

Why did you get up so early?

I have no idea why you want to part with that.

Science begins when you ask why and how.

Will you tell me why you like her?

Why might he have done that, I wonder?