可以说The books are made of paper吗

可以说The books are made of paper吗 英语翻译please~可不可以说“Books are the greatest friends for us.”可以用“for”吗？ where are the books? the mad the mad the mad the mad where are the books 翻译 they are too expensive books!___ ____ the books are We are all mad are you mad? 请问there and these的区别可以说,there are books.these are books .有什么区别吗 The books are on the shelf.对吗? 选择题.The books are( )the shelf. the books are in the shelf纠错 the------- [teacher ]books are on the desk my books are on the table. 对my books 提问.? the mad king是什么意思