There are many kinds of books in our school library.为什么加OF?

kinds many there are of clouds There are many kinds of flower s---- There are many kinds of food… how many kinds of pollution are there? how many kinds of poputions are there? .There are many kinds of animals是什么意思 填空：There are many kinds of movies_see. there are many kinds of i----animals there are many kinds of food还是there are many kinds of foods? There are many kinds of cute anomals there 英语阅读：There are many different kinds of TV programmes There are many kinds of __(active) in our school there are many different kinds of trees in the f___ there is还是are many different kinds of fish in the zoo there are many kinds of a____ There are many kinds of a ____in the big zoo. many different kinds of oranges are raised there today.翻译 There are many kinds of delicious food in this r______