A teacher is an architect (a) —----- a nation. He plays an important role educated nation. He dispels the darkness (c) —------ ignorance (d) —------ the lot of a nation. He is an actor, so to speak. He has to suit his act according (e) —------ the need of his audience which is his class. He is a clear speaker (f) —---- good, strong and pleasing voice which is (g) —----- his control. He does not sit motionless (h)