8. Usually passengers are required to arrive at _____ one hour before ______ takes off.A.airport; ai

题目简介

8. Usually passengers are required to arrive at _____ one hour before ______ takes off.A.airport; ai

题目详情


8. Usually passengers are required to arrive at _____ one hour before ______ takes off.
A.airport; aircraftsB.the airport, aircraft
C.an airport, a aircraftD.the airport, the aircraft
题型:单选题难度:偏易来源:不详

答案

 D

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