The cancer is still the big question mark in her life.

"When they are going to get back is a big question mark."

So add it all up, and you have a very big question mark.

A picture of a man appeared, with a big question mark over his head.

Life is one big question mark: Will you be happy?

What would happen if you were direct is nothing but a big question mark.

"But whether he can make it happen in this century is a big question mark."

I have a big mark down the back of my leg.

"But I don't know if it is enough of a training base for a big mark."

But now the banks were closed and their future in the country a big question mark.