摘要：22．Usually passengers are required to arrive at airport one hour before aircraft takes off. A.不填; an B.the ; 不填 C.an; the D.the;the
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Usually passengers are required to arrive at airport one hour before aircraft takes off.
A、不填; an B、the ; 不填 C、an; the D、the;the
查看习题详情和答案>>8. Usually passengers are required to arrive at _____ one hour before ______ takes off.
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A．airport; aircrafts |
B．the airport, aircraft |
|
C．an airport, a aircraft |
D．the airport, the aircraft |
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