Use of English · Part 2
Long after a flight is sold (0) OUT, airlines continue to oversell tickets. At departure time, if the flight is overbooked and more passengers arrive with confirmed reservations than the airlines (1) .......... seats, the gate attendants will ask passengers to voluntarily (2) .......... up their seats for some form…
Desbloqueja tots els exàmens, simulacions il·limitades, les 80 fases del joc i molt més.