Tom,you play so well.But l [] you played the piano中间添didnot know还_英语解答

Tom,you play so well.But l [] you played the piano
中间添didnot know还是havenot known 为什么呀

人气：374 ℃　时间：2020-05-07 07:59:35

解答

did not know 因为说句话之前是“不知道的”,因此用过去时；说这句话的时候其实已经知道了.