Помогите пожалуйстаPut in the prepositions,if needed

Помогите пожалуйста
Put in the prepositions,if needed
Detective's notes
It happened_____April.A boy _____ twelve missed_____his train.He didn't know anyone_____our town.Suddenly he saw a strange man taking pictures of him.The boy was frightened(ужаснулся).He run_______a group______other boys___________the station and joined_______them.
Finally they found out thatthe strange man was a producer.He wanted to find an actor for his new film.