选出适当的单词完成短文

题目

选出适当的单词完成短文
eat quiet saturday know library different should must litter drink(要填的)
it is ______.su hai and su yang are in the _______.they want to read some books.there are some public signs on the walls of the library.the signs mean _______things.su hai and su yang _______a lot about them.they_____not_____and_______keep_____there.they should not_____or_______.

答案

按顺序是 saturday library different know should eat quiet litter drink