book's 和 books 中 S的发音怎么发啊

book's 和 books 中 S的发音怎么发啊 books和rulers的s发的是什么音 李明和李兰的书 英文 liming‘s and lilan’s books 还是book?有s吗? 元音字母后的S发什么音在单词中,比如books（表示复数）,如果单词是元音字母后＋s（表示复数）,这个S发什么音．请注明读音和理由, They are books.book为什么加s apples bikes some books 的s各发什么音? 发音是一个青浦音S除外,-S发S的音,如:books、suits Reading books in the sun is bad for your eyes 中book为什么加S My books are on the shelf. 为什么BOOK+S? Are ( )Kate's ( A.this,book B.that,book C.these,books D.those,book what's your favourite book. l like books（what's your favourite book. l like books（ ）animals. s的发音,wears books houses potatoes matches does classes shops monkeys ages boys months boxes bags organizes例：books.s发/s/ children's book和child's book有什么区别 eyes pairs potatoes books 这几个词最后的S都发什么音呀? eyes pairs potatoes books这几个词最后的s 都发什么音呀? Maths 和 books它们后面的s发音一样吗 Are they the children's books?这句话对吗?Are they the children's books?和Are these the children's books?哪个是对的啊? Open your books and turn to page 20.为什么这里的book要加s?什么情况下要加s?动,名词分别怎么加s