grammar books,请问grammar要加s么?为什么?

grammar books,请问grammar要加s么?为什么? gram 克 gram 克 gram 克 gram 克gram克 grammar Grammar grammar gram是什么意思! He had ___________English grammar books than anyone else.A.much more B.many moreHe had ___________English grammar books than anyone else.A.much more B.many more The dictionary as well as the grammar books that _____ bookmarks in them_____ Jane.A.has; belong to B.have; belong to C.have ;is belonged to D.has; are belonged to请问应选哪一个, 请问grammar应该用什么词组修饰?a piece of grammar可以吗? gram for gram怎么翻译啊? gram怎么读 gram matic 意思 什么是Gram矩阵? Sing-A-Gram是什么意思 Grammar books here____wella.are sold b.sell c.sells d.have been sold选C用单数对吗 Grammar books here____wella.are sold b.sell c.sells d.have been sold 请解释并选择 手机 1GRam+4Grom gram的缩写形式是什么