we should keep quiet in the l__when we read books in it

we should keep quiet in the l__when we read books in it we should keep quiet when ____ (read)in the reading room We should keep quiet in the library. 改成一般疑问句 We should keep quiet in the reading room . We should keep [quiet] in the library.括号中为什么用quiet.请解析. We read books in the library.(对read books 提问) we should keep( )in the reading-room 15,in order to____our knowledge,we should read more books. It's polite thet we keep quiet in the library.改为同义句 同意表达we must keep quiet in the library we should keep in good________. You should keep quiet in the cinema.