that is his brother 变为一般疑问句 并做肯定回答和否定回答

He is your good friend,isn't he?Yes,he is。No,he isn't。These are nice pictures,aren't they?Yes,they are。No,they aren't。Those are school things,aren't they?Yes,they are。No,they aren't。 再问： 第一个问题 再答： That is his brother, isn't it?Yes, it is。 No, it isn't。