But that still doesn't answer the most puzzling question of all.

What mattered was the much more puzzling question: Why did the man set him up like that?

Then I came to the question which had seemed to me most puzzling.

As I think over his peace plan, many puzzling questions start in my mind.

All this raises puzzling questions about the Japanese political process.

Many puzzling questions occur to the woman who is about to become a mother.

But a host of puzzling questions swept into his mind.

That is the most puzzling question I was left with.

The answer to all of these puzzling questions is simple: advance planning.

I shook my head, trying to shake away all these puzzling questions.