１）Capt.O’Grady floated(下線部) down over Bosnian Serb-held territory in his parachute.
(4) was afloat
２）The man in front of Ed at the ATM(下線部は、in 〜 ATM) finished with it, and Ed took his place.
(1) at the ATM which was in front of Ed
(2) at the ATM, who was in front of Ed
(3) in front of Ed which was at the ATM
(4) in front of Ed, who was at the ATM