someone is knocking at the door,who is it? A this is a policeman _英语解答

someone is knocking at the door,who is it? A this is a policeman B that is a policeman
C shi is sandy"teacher Dit is the milkman

人气：254 ℃　时间：2019-10-18 08:27:44

解答

B能解释下吗，是固定搭配吗首先d和c去掉， D、milkman是人，不用it 。C、搭配错误。然后a和b中b是固定搭配，敲门用that is。望采纳，谢了sorry，看错了，应该选d，我把the看成a了