You should keep ______(quiet) in the dining room and talk___

You should keep ______(quiet) in the dining room and talk___ You should keep quiet in the cinema. We should keep quiet in the reading room . You should be quiet in the reading room you should (keep the air clean and fresh) in your room. You should keep （ ） in doctor’s waiting room.A quite B quiet You should be in a quiet room. we should keep quiet when ____ (read)in the reading room 情态动词的祈使句把You must keep quiet in the reading room.You cannot we should keep( )in the reading-room We must keep quiet and walk___out of the room A. you should keep quiet in the cinema.（改为一般疑问句）