I arrived at the airport ________(after/while/when/before))the pl_英语解答

I arrived at the airport ________(after/while/when/before))
the planehad taken off

人气：249 ℃　时间：2019-08-21 13:04:47

解答

从时态来看,我到的时候（过去时）飞机已经起飞（过去完成时）,所以选after.