Is this dictionary the one you bought yesterday?这句话对吗

this is a dictionary( )you This is his dictionary同义 找出错的 Is this your English dictionary?No,this isn't. Bob!Is this your dictionary?No,it isn't.Ask Sally.She is looking for____ Bob!Is this your dictionary?No,it isn't.Ask Sally.She is looking for____ This dictionary cost you ten dollars,急等 This dictionary cost you ten dollars,A does it B is it C doesn' t it D didn' t it we don't know whoes dictionary this is?这是哪个语法知识点 This is his dictionary(一般疑问句) this dictionary is in that box复数 Is this your dictionary?改为肯定句 This is his dictionary(改为一般疑问句) This is my dictionary.改为疑问句 This is a dictionary (作否定回答 Is,this,your,dictionary?(改陈述) Is this your dictionary肯定回答 This is my dictionary做否定形式 This dictionary is w______ five yuan. Is this her dictionary?(作肯定回答)