Explain why Adelina tells Raffaele, “You're making a mistake by not killing me now." Is she going to be their enemy or is she just hurt by his casting her out?

I believe she will just be hurt because there is no reason they’d be enemy’s. she just called him out and put him on the spot so he would get hurt.

As the boys sleep, military airplanes battle fiercely above the island. none of the boys sees the explosions and flashes in the clouds because the twins sam and eric, who were supposed to watch the signal fire, have fallen asleep. during the battle, a parachutist drifts down from the sky onto the island, dead.