We must be quiet in class.(改为同义句)We( )( )( )quiet in class.

We must be quiet in class.(改为同义句)We( )( )( )quiet in class. we must keep quiet in class.同义句 we should s(____)quiet in class Please be quiet in class .（改为否定句） We should be quiet in the class.改否定句怎么改. You must be quiet in the library(改为同义句) We must be quiet in the library. 祈使句怎样改为同义句?Keep quiet in class Do your homework after school we must _____(be) quiet in the library. we must (be)quiet in the reading room. We are in the same class.(改为同义句)____________________________ 1.按要求完成句子.we should be quiet in the reading room.（改为同义句）mr w