__________, he talks a lot about his favorite singers after class.
. The man standing there can’t be a university student, ________?
. He must be curious about everything in the lab, for this/that/it is the first time that he has been there, ________?
. You have must practiced speaking English for a long time before the contest is held, ________?
. Mary is barely a diligent girl, as it is the fourth time she has been sleeping in class, ________?
. Brian told you that there wasn’t anyone in the room at that time, ________?