—What do you need to say?—No person         smoke or carry a lighted cigarette in this special room.

 Personally, the job as a teacher _____ be challenging, for I sometimes _____ deal with some smarter but less diligent students. 

— Simon, when are we going to have a class meeting this week?— Sorry. Ask our monitor, please. He         know.

Take your swimming suit because you __________ want to go swimming in the sea. 

He ___________ unwisely, but he was at least trying to do something helpful.