Peter,perhaps John,__ playing with the little dog.A is B are C we_英语解答

Peter,perhaps John,__ playing with the little dog.A is B are C were D seems

人气：302 ℃　时间：2020-05-02 03:57:12

解答

A
主语是三人称单数 Peter.注意排除插入语perhaps John的干扰.现在进行时,用is + V-ing