As____ ,they were waiting for us at the airport .为什么选 plannedAs ( ),they were waiting for us at the airport.A.plan B.plannedC.planning D.being planned为什么选B啊

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As____,theywerewaitingforusattheairport.为什么选plannedAs(),theywerewaitingforusattheairport.A.planB.pla

As____ ,they were waiting for us at the airport .为什么选 plannedAs ( ),they were waiting for us at the airport.A.plan B.plannedC.planning D.being planned为什么选B啊
As____ ,they were waiting for us at the airport .为什么选 planned
As ( ),they were waiting for us at the airport.
A.plan B.planned
C.planning D.being planned
为什么选B啊

As____ ,they were waiting for us at the airport .为什么选 plannedAs ( ),they were waiting for us at the airport.A.plan B.plannedC.planning D.being planned为什么选B啊
过去计划好的啊.