Why have you kept such an excellent wine back till now?

I tried thinking about why it was that I didn't trust him.

There are some reasons why the Japanese find it hard to act unlike others.

How can you be so passive? Why don't you retaliate?

The marketing manager could not help wondering why sales had slowed.

Why did you turn away when you met him?

I explained the reason why we should go with a logical approach.

Why do you make it open even to rivals in the same trade?

I wonder why it is that some plants become annuals and others perennials?

Why bother going to the store when you can order everything online?