Story needs to be completed:
Amy found it easier to be polite than Emily, because

My choice:
Amy had read several books on proper etiquette.

Story needs to be completed:
James hung the bag on one of the tree stem and it was retained without falling. The

My choice:
bag must be very light.

Story needs to be completed:
Christine got a better rating on their restaurant's health inspection than Betty because

My choice:
Christine kept the place clean .

Story needs to be completed:
Rebecca had a better relationship with her father than Betty because

My choice:
Betty ran away from him.