He arrived at the airport at 9 o'clock,
He arrived at the airport at 9 o'clock,
only to find that the plane __ for half an hour
a:had left
b:has left
c:has been away
d:had been away
only to find that the plane __ for half an hour
a:had left
b:has left
c:has been away
d:had been away
赞
可能相似的问题
你能帮帮他们吗