Metaphors are comparing unlike things without the words like or as.... simile is comparing thing using like and/or as
Answer:
Revised (active voice): Superintendent assumed that the trip had been postponed until the next Thursday.
Revised (active voice): By the 15th of every month, the completed form should be submitted to Tim Hagen.
Revised (active voice): The fluid should be allowed to dry for eight to ten seconds after being applied sparingly.
Revised (active voice): Researches defined the metropolitan area as the countries related by communiting patterns.
Third person omniscent can read the thoughts and feelings if the charecters while third person limited can only see them and what they are doing/saying