This is my sweater.It is a red.哪里有错误

The girl at a red sweater in the picture is my sister.哪个 有错误 This is a old sweater .有什么错误 This is a apple.It's red错在哪里 the girl wearing a red sweater is my sister. it is a red sweater改为一般疑问句 this sweater is red 改为同义句 This is your sweater .Put on it ,please .这句话有什么错误? __Is this your sweater,Joy?__No,it is not___sweater,Joy?A.my This is a new sweater from my grandpa.I want to put on it. My sweater is newer than her有什么错误? my sweater is red中队red的划线提问 Whose sweater is it?it is my sweater.改错