.when she arrived,the plane( )away选哪个嘞flyflewis flyinghad flown
问题描述：
.when she arrived,the plane( )away
选哪个嘞
fly
flew
is flying
had flown
答
when she arrived,the plane(is flying )away过去完成时
答
D
答
had flown
答
最后一个是对的
答
had flown
她arrived是过去,而此时飞机已经飞走了,就是过去的过去,用过去完成时