.____ the middle-aged woman speak English over the radio,you might take her for a young girl.
A.Listening to B.To listen to C.Having listened to D.Listened to
不是主动用doing,被动用done吗,这里为什么选B,不能选A
老师说＿＿……，……主谓宾。如果与主语是主动横线用doing，被动用done