Is that his school?(做肯定,否定回答)

that is his brother 变为一般疑问句 并做肯定回答和否定回答 is that his jacket?　（作否定回答） is　this　her　key?（作肯定回答） is that a photo of your?做否定回答 is she your cousin?做肯定回答 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 That,s his watch.改为一般疑问句,并做肯定和否定的回答. is that his uncle?(肯定句回答) Is that his ruler(作肯定回答) Is that his sister?肯定回答 that is his brother改为一般疑问句并作肯定或否定回答 1.That is his dictionary.改成一般疑问句.2.Is that her book?做肯定回答. is mary happy?做肯定否定回答