Answer:
People read, saw, and heard only what the government desired.
When Stalin was in power, Russian people lost their freedom. The states control of the media was total. Those who attempted to read or listen to anything apart from what was allowed were punished.
Preposition is a word that indicates location so with that said....
pocket: I put the keys in my pocket (location)
bed: I put my shirt on my bed (location)
cushions: I set the vase down on the cushion (location?)
afternoon is a time. so the answer is afternoon