找出句中错误：Is this your brother No,he isn't.

找出句中错误：Is this your brother No,he isn't. —Is Guo Peng your brother?—No,he isn't.这句 He is my uncle,but he isn't my father's brother．Wh Is Bob your brother?A.no,it isn't.B.no,he isn't.C.no,she isn Is this your grandfather?-----No,he isn't Is that your brother?No,he isn't.这个答语正确吗? Is this your grandfather?回答这个问题：1 No,he isn‘t.2 Yes,it is.He Is this your notebook?No,it isn't.ask Bill.He is Is this your English dictionary? No,this isn't. Isn't your brother five years old?-( )He is seven. 单词改错：1.are these your sister ()2.is this dave?no he isn't.() he .friend.your.no.isn’t.this.is.怎么连词成句啊?