when we hear the fire alarm,we must leave the room to the s什

when we hear the fire alarm,we must leave the room to the s什 hear the fire alarm ,leave the room,cheap ,ugly,dictionary,d 关于防火的英语防御fire and safety when you hear the fire alarm ,you s Firstly,we must understand the language when we hear ( ) spo we must ____ running taps when we leave the tap We must close the windows when we leave.(同义句) When the fire d----- is high,we must be careful.We must not Unluckily,the train( ) when we got to the station (leave) we go to last one ( ) (leave) the room the train is gong to leave.we must say good （ ）We knew nothing about the fire until the fire alarm went_ I often hear her sing in the next room.We must repair the co