改成疑问句 并作肯定 否定回答 改成否定句

That is a book. Is that a book?Yes,that is.No that isn't.That is not a book

2.It is a white cat.Is it a white cat?Yes,it is.No it isn;t.It is not a white cat.
3.I go to school on foot.Do you go to school on foot? Yes,I do.No,I don;t.I don't go to school on foot.
4.He goes to school on foot. Does he go to school on foot? Yes,he does.No,he doesn't.He doesn't  go to school on foot.
5.We go to school on  foot. Do you go to school on foot? Yes,we do.No,we don;t.We don't go to school on foot.