I often look at them and ask myself that impossible question: Which one wouldn't be here?

We were two crazy white people asking them impossible questions, is all.

"Or are you just going to ask impossible questions?"

It was, of course, an impossible question to answer.

OK, the third thing on that list is the impossible question.

It's like going on a game show with impossible questions, she thought, only the contestants have to be naked.

It's an impossible question but is also the one everyone is asking.

An impossible question to answer, but perhaps not a fruitless one to ask.

These impossible questions only reminded her of what she lacked.

They always got that, impossible questions about the market.