It's not my math book 化为肯定句 摆脱了

It's not my math book?改为肯定句 where's my math book?什么意思 I____find my math book.Where isit?Do you know? A.It's B.do C is it Mary's book English not 连词成句……谢谢了! 连词成句 is it mary's book english not It is not my book.（缩写句子） Is that a key?（做肯定回答） ( )where's his math book?It's in the bookcase 初中一年级英语题It's a book.(改为一般疑问句并作肯定回答）This is my table.(改为否定句） ls it far from here?化为肯定句. My sister doesn't like math.（改为肯定句） My sister _________ math This is not my book.It's( ).There is my name on the cover of dreseer,the,on,book.math,is,my.连词成句.