Sentence examples for be a question mark from inspiring English sources

Hillary Clinton's backing from blacks should not be a given, it should be a question mark given the very questionable past the Clintons have with Black America.

Hossa will be a question mark whenever Pittsburgh's season ends.

"I didn't want to leave it to be a question mark".

Her life may be a question mark, but the answer isn't likely to yield any surprises.

However, there must be a question mark over whether the election should take place in these circumstances.

You'll know when I've got to the end of the question because there'll be a question mark.

"That is a question mark.

"It's a question mark.

This is a question mark".

"Tan is a question mark".

Or: "What is a question mark?