The plane before they the airportThe plane____before they___the airportA.had taken off...reached B.has taken off...reachedC.took off...had reached D.was taking off...have reached不及物动词(短语)无被动语态,排除D 接下来怎么选
问题描述：
The plane before they the airport
The plane____before they___the airport
A.had taken off...reached B.has taken off...reached
C.took off...had reached D.was taking off...have reached
不及物动词(短语)无被动语态,排除D 接下来怎么选
答