The sign reads “In case of ________ fire,break the glass and

The sign reads “In case of ________ fire,break the glass and The sign reads “In case of _________ fire,break the glass an 意思in case of emergency,break the glass and press the button "An extraordinary case of polygyny in the red imported fire in case of fire the house is ( )fire ;call( )help quickly,or break the glass In case of fire,the steel grates must open谁知道这句话什么意思 in the case of是什么意思 in the case of mechanicals in case of 和in the case of the sign reads "No teacher and no student() admitted A are B the sign reads...=the sign said..还是the sign says..