Is that his hat? 作否定回答

is that his jacket?　（作否定回答） is　this　her　key?（作肯定回答） That is his brother.改成一般疑问句,怎么改并作肯定回答和否定回答 this is his book that is your ruler 改成一般疑问句并作肯定否定回答 is that your friend 改为复数句 is this his backpack作否定回答 Is that ID card.作否定回答 Is that your pen?作否定回答 is that the library?作否定回答 that is his brother改为一般疑问句并作肯定或否定回答 Is that his ruler(作肯定回答) 将下列句子变成一般疑问句,并作简要的肯定回答和否定回答:That is his sister 1.Your hat is red.改为一般疑问句并作否定回答 Is his pencil in the red backpack 作否定回答