Our lab is on the third _____ of a six—______ building.
Nobody noticed the thief slip into the house because the lights happened to__________.
The news about the terrible flood there greatly discouraged __________ there for a sightseeing.
He's unlucky,and he's always suffering____________ luck one after another.
If you ____________ stop smoking, you can only expect to have a bad cough.
--Paul, I'd like to have a talk with you at tea break. -- __________ Have what with me?