This isn't my pencil box.-----is red.A.My B.Mine C.Her D.his
问题描述：
This isn't my pencil box.-----is red.A.My B.Mine C.Her D.his
答
B
不明白的再问哟,请及时采纳,多谢!My 后必须加名词 mine是名词性物主代词相当于名词my pencil-box is red = mine is red