问题描述：
过去进行时的被动语态怎么表示?
今天在书上看到一道题,总觉得答案不对
The goods____when we arrived at the airport.
A.were just unloading B.were just been unloading
C.had just unloaded D.were just being unloaded
本人觉得应该是过去进行时的被动语态,答案应该是D,书上答案是B.请麻烦告知正确答案,
今天在书上看到一道题,总觉得答案不对
The goods____when we arrived at the airport.
A.were just unloading B.were just been unloading
C.had just unloaded D.were just being unloaded
本人觉得应该是过去进行时的被动语态,答案应该是D,书上答案是B.请麻烦告知正确答案,
问题解答：
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