I see why you don't want to go there.

"Why in the world would you do that?" the other asked.

"Why didn't you come?" "I had no choice."

"Why are you going to Japan?" "To attend a conference in Tokyo."

I wonder why Tom didn't call me.

Why are you asking me that? What's the big idea?

I just can't understand why he did that.

I missed the bus, that's why I was late for work.

Why don't we go out for dinner tonight?

Why don't you try the new restaurant in town?