( )in her new dress,she took part in her friend's birthday party.A.Dressing.B.Having dressed

问题描述:

( )in her new dress,she took part in her friend's birthday party.A.Dressing.B.Having dressed

她在 took part in her friend's birthday party之前就已经穿好her new dress,故表示已完成的动作,所以用完成时,选B那为什么不能用dressing来表示状态呢?也有可能她已经穿好了,在这里表示状态啊。。。。。。。哦那好吧。。。