This is my pencil ,and that is your.改病句?答:答案;your 变成 yours 原因:在英语中,所有的形容词性物主代词 + 名词 = 相对应的名词性物主代词 本题即---yours=your pencil,7,your 变成 yours,2,your改成yours,2,This is my pencil ,and that is yours.yours=your pencil,1,This is my pencil ,and that is your(s)。,0,This is...