he~s book isn~t yours ,_____can it be A who else B who else~S请说出理由来了!

He isn't your father,but your mother's.Who is he?速求! 初一英语单数句子变复数句子① IS this you aunt?—Yes,it is./NO,it isn't.This isn't my aunt.② It is a book.Is it a book?It isn't a book。③ He is my father。Is he your father?—Yes,he is./No he isn't.He isn't my father.⑤ This dic He's read this book before ,< A hasn't he B doesn't he C isn't he D wasn't he老师复印的卷 改为负数句子.1.That isn't my picture.2.What's this in English.3.She is a doctor.4.Is he your friend?5.It is his box.6.Is thatyour book?改为复数句子 Is she your sister?Yes,she isn't.And is heyourbrother?No,he is.He's my friend. What color is the English book It is yellow.( )nice ,isn't it?A she's B he's C I'm D It's My son's English isn't good enough.He usually keeps a dictionary( ) him while he reads an English book.A from B before C after D beside —________?—No,he isn't.—________?—No,he isn't.A.Is that your brother B.What’s his name C.Is this boy your brother D.Is this your father this book isn't ().() book is over there.A.your,your B.yours,your C.yours,yours No,he isn't.He's old.的问句 No,he isn't.He's old.的问句 Billy isn't at home.He isn't _____.He's _______.填介词 he~s book isn~t yours ,_____can it be A who else B who else~S请说出理由来了! Isn't your brother five years old?-( )He is seven.A.Yes,he is B.Yes,he isn't C.No,he is D.No,he isn't -Is your father good at()?-No he isn't. Is that your brother?回答A.No,it isn't B.No,he isn't that is your twin brother,----?反义疑问句是 isn't he 还是isn't it? Isn't your father painting the bookcase?No,he isn't.怎么翻译?语法点是什么?