Swimming is an action verb because you can do it. Fast is not an action verb it is an adjective.
Answer:
Make sure your house is sealed up tight.
Use a smart thermostat.
Make sure your exhaust fan is working properly.
Turn off your appliances and electronics when you leave.
Set the hot water heater to a lower temperature
Answer: Gluttony.
Explanation: He is greedy and selfish.
Answer:
The Narrator is not a character in the story.
Explanation:
In third-person objective point of view, the narrator is not a character in the story, and uses pronouns such as: his, hers, theirs, them, him, her, their, etc.