完形填空 。 In our country every school has a library. I'm 1 you have read many books.  You borrow them from the school library and keen them for 2 . Maybe you 3 get books from your parents or friend 4 , If you like reading and want 5 , you may often go to bookshops and buy some yourself. Have you 6 thought of how people make a book? Different people must check it several times 7 it comes out. After __ 8 _ finishes reading a book, the book passes through the hands of many other people. Everyone in the factory, has to work very carefully because 9 must not be any mistake in it.  Many people are busy _ 10 _ it. They print it on good paper and put the pieces together before it goes to the bookshop. We all like reading.  Let's take good care of books. (     )1. A. sorry (     )2. A. some time (     )3. A. too (     )4. A. for a present (     )5. A. learning many more (     )6. A. just (     )7. A. though (     )8. A. someone (     )9. A. that (     )0. A. working on B. sure B. sometimes B. also B. as a present B. to learn many more B. already B. since B. anyone B. this B. to work on C. thinking C. sometime C. either . C. for presents C. learning more C. ever C. before C. everyone C. it C. going on D. saying D. some times D. neither D. as presents D. to learn more D. even D. after D. no one D. there D. to go on