ACCORDING TO THE PASSAGE, AIRLINE TRAVELERS SHOULD KEEP THEIR FEE...

63. - UNIVERSITY ENTRANCE EXAM 96
Tiếng Anh UNIVERSITY ENTRANCE EXAM 96
63. According to the passage, airline travelers should keep their feet flat on the floor _____.A. throughout the flight. B. during takeoff and landings.C. especially during landings. D. only if an accident is possible.