—Who has taken my pen away? —__________. He was here a moment ago.
The research is so designed that once _____ nothing can be done to change it.
He wrote a lot of novels, none of _____ translated into a foreign language.
----- “Is there _____ here?” ------ “No, Bob and Tim have asked for leave.”
Good luck to you, and _____ all your wishes come true.
He ran as fast as he could _____ to catch the bus.