this sweater is 10 doller改错 怎么改?

This is her sweater .（对画线部分提问） 　　_____ __ sweater is this 怎么 改错（ ）This is your sweater.Put on it ,please.a this ,b is ,c this apple is much bigger than that one.这个改错怎么改呀 this apple is much bigger than that one.这个改错怎么改 Whose sweater is it?it is my sweater.改错 This sweater is ____ $50. this is a new sweater Hao much is this sweater? whose sweater is this是什么意思 This is ——sweater. This is a library.改错,应该怎样改证? This a book is good 怎么改错