that is his friend.改为负数句

that is his friend.改为负数句 That is his friend.(改为否定句） That is his photo.(改为负数形式) This is her friend改为复数句 That"s his brother改为一般疑问句 is tim her friend?做否定回答 that is his family photo 改为同义句 this is that your friend 改为复数句 is this his backpack作否定回答 Is that your friend (改为复数句) that is his jacket 改为否定句 that is his brother 改为复数句 that is his pencil改为复数句 that is his dictionary 改为同义句 Is that his baseball?改为同义句