Sentence examples similar to keys question from inspiring English sources

The key question is timing.

That remains the key question.

That's the key question".

The key question is, How?

The key question is why.

But the key question is: when?

Here's the key question, I think.

And this is a key question.

But this is the key question now.

The key question now is over security.

The key question is what change?