2.In the incident at Boston Logan International Airport, an Aer Lingus A330 and a US Airways 737 came within 171 feet of each other on an intersecting runway .（ ）
发布于 2021-04-24 15:34:28
【单选题】 A before both were cleared for takeoff B after both were cleared for takeoff C after one of them was cleared for takeoff D after both were cleared to land
