Answer: 3, "We are going depleting in the mountains this weekend'
Explanation: Depleting means "diminish in number or quantity'. It would make no sense to use that in this particular instance.
That would be a practical exercise. Practical means the actual doing or use of something rather than with theory and ideas. So it would apply to real life situations.
Hope this helps!
Answer:
he doesn't work on Sundays
Your answer would be the last one. :)
He and Joaquin saw a large stingray at the aquarium.