If you see a fire, you should ring a school bell (1) ..FOR.. a minute. When they (2) ...HEAR.. the bell, students should quickly leave (3) ..THE.. classroom. The (4) .MONITOR.. should line up outside as soon (5) .AS.. everyone has left the room. Then (6) .THE.. class should walk quickly along the path to the main entrance. When they (7) .REACH.. the main entrance, the students should stand quietly in the playground. While they (8) .ARE.. waiting there, one of the students (9) .SHOULD.. look for the class teacher in the playground. On finding (10) .HIM.., he should give him the class register.