I think it would be all of those battels and fights they had and when they were fighting for the ring but I only know a little about the Hobbit.
This is referred to as the progressive verb form
Answer:
The light from his cigarette alerts an enemy soldier to his presence. A bullet flies toward the sniper's rooftop. He puts out the cigarette and switches position. However, the flash of the rifle tells the sniper his enemy's location.