There were also questions about how long the rally could continue.

About how long would you be likely to want accommodations?

There was no immediate word about how long he might be out this time.

He said nothing about how long the bodies might have been there.

There are no rules about how long the creative process can take.

She questioned the owner about how long the fish had been dead.

He's making a joke about how long the light took to get here.

Would you like to hazard a guess about how long the string might be?

But he's being the optimist about how long the war might last.

There is little agreement among professionals about how long the rally in financial issues will last.