so books are the friends of mankind ,is the proqressive step of the human being什么意思

where are the books? the books are too difficult for us to read(用so…that改写） where are the books 翻译 Fri, so books are the friends of mankind ,is the proqressive step of the human being什么意思 they are too expensive books!___ ____ the books are The books here are not so well written as_______on the shelf.A.than B.those选什么 为什么 There are so many books to be chosen from in the bookshop.这里choose 要用被动形式吗 The famous writer （）（write）two books so far which are popular with teenagers 动词填空 There is a rush 意思they are so easy to get the books .there is a rush. 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 so many students are reading books in the library.改为同义句so many students ____ ____ ____ in the library. so are the police my books are on the table. 对my books 提问.? Oh,there are so many books here的意思