boy students还是boys students为什么有的网说是boy,有的说是boys为什么？原因？

boy students还是boys students为什么有的网说是boy,有的说是boys为什么？原因？ what are those ____ in? A.boys students B.boy students C.boy's student D.boys' students boys boys's boy's boys'区别 男生们是boy's还是boys'女生们呢？ 男孩们的 用英语 是boy's 还是boys' Three boy students为什么不用boys boy's boys boys' 中s的意思和用法 boys'与boy's的区别, you are boy还是you are boys 请教这句话中括号怎么填?There are two girls and three ( )students in my class.( )里填boy,还是boys? These boys' books are new. 还是These boy's books are new.哪种说法正确?请帮忙一下,谢谢! amy's drawing is much better than ()in his classAany boy‘sBthe other boys'Cother boys'Dany other boy's boy的复数形式是boys还是boies? boy的复数形式是boys,还是boies 性别男 那个男,是写成boy还是boys Football is ____________ game.A.boys’ B.a boy’s C.boy’s a coat for boy还是a coat for boys?就是这个boy是种类还是个体? ．Football is ____________ game.A. boys’ B. a boy’ C. boy’s 这个题选A boys’是什么意思?