This is my ruler.改错我认为没错~请学识渊博的才子来解答一下~谢谢~没有上下文 这道题的题目就是改错~ 给的这个句子~ 谢谢大家

This is my an old ruler.改错.各位哥哥姐姐, Whoes ruler is this.（改错） 改错 ChenJie ruler is longer than my ruler.abc This is my ruler中的my ruler怎么提问? This is my ruler.(划线部分提问)my ruler画线 Is this a ruler.---Yes,this is.（改错） The book is o_____ medicine It's ____{Lucy} class This is my ruler .his ruler is not an old.改错 this is my ruler改成否定句 This is my ruler (改为否定句) -Look!This is my ruler.-It nice.- . This is my ruler.(改为一般疑问句) This is my ruler.His ruler is not an old.--------- --------- -- --------- A B C D改错 A是my rler B是his ruler C是is D是an old 写出为什么 This is my ruler.错在哪 This is my ruler.错在哪 1 What 's this This is a ruler .2 I favourite colour is blue .3 my favourite food is apple 改错 This is my ruler.改错我认为没错~请学识渊博的才子来解答一下~谢谢~没有上下文 这道题的题目就是改错~ 给的这个句子~ 谢谢大家 改变句子,保持原意,每空格填一词【英语】 This is my ruler.This ruler is( ). this is my pen.and that ruler is () too. What color is it?It is a white 改错改错I like my purple color ruler