many thousand ,many thousand of 与 many thousands of 的区别是什么?

many thousand ,many thousand of 与 many thousands of 的区别是什么? many thousand books 与 many thousands of books哪个对 Many Many 【初三英语】Many thousand?Many thousands of?Many ____ trees must be planted every year.A.thousand B.thousand ofC.thousands of D.thousands （ ）books must be produced for the children.A.Many thousands B.Many thousands of C.Many thousand of D.Many thousand D为什么不行? Many _____ trees A thousand B thousands C thousands of a few thousand 和a few thousands of 哪一个对?many thousand 和many thousands of 哪个对? many thousands of还是many thousand of?不是three thousand这样说吗？two ______（thousand)of the books are sold out. many thousands of 与many thousand哪个对?字典上既有several thousands of 又有several thousand的表达方式,难道many就不行吗? ______young trees must be planted on the hillA many thousands B two thousands of C many thousand of D many thousand many thousands of和many thousand的区别?many hundred和many hundreds of的区别?具体的不懂得不要瞎说 many能不能修饰thousand和thousands of_______of books were published for children.A.many thousand B.many thousand ofC.many thousands D.many thousands of为什么?several和some 既可以修饰thousand也可以修饰thousands of 那么many 报歉, many thousand和many thousands of Eg:Many ____ trees should be planted on the mountains.A.thousand B.thousand of C.thousands D.thousands of 为什么答案要选A,而不是选D? .( )books must be produced for the children.A.Many thousands of B.Many thousand.( )books must be produced for the children.A.Many thousands of B.Many thousand选那个呢?好像都对,不过必须有理由 （ ）Chinese are looking forward to learning English well before Beijing Olympics.A.Thousand of B.Many thousandsC.Many thousands of D.Ten thousand of There are ___ visitors in the Summer Palace every year.A.about 3 thousand B.many thousands C.several thousand D.lots thousand many many many 3ks~