book做种类时可数吗 是 many kinds of book 还是books
book做种类时可数吗 是 many kinds of book 还是books
5 kinds of book 还是 5 kind of books 还是 5 kinds of books呢
which kind还是kinds of books还是book
The book store sells many different kinds of _____ (magazine
two different kinds of book 和 two kinds of different books 有
是many kinds of fruits还是 many kinds of fruit
the number of books is 20.book不是可数名词吗,为什么用is不用are
用books 还是book
英语表示许多种类的鱼用many kinds of fish 还是 many kinds of fishes?
和any kind of books还是any kind of book?
many book 和 many books的区别
是“of all kinds of books”还是"of all kinds books"