用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。
deep  clean  watch  from  or  school  other  something  accident  few 
School is where we learn, make friends and grow up. But       happen daily in schools across the world. We hear reports of students falling from the buildings while       windows. Other students are hit by football on the playground. Three years ago, some students fell down on the stairs and were stepped on by      , with tragic results.
We feel      sorry for the loss of lives. There is       we can do to bring the students back, but we can try to prevent such things       happening again. You should do the following things to prevent a stampede（踩踏）.
After class or school, don’t rush out at the same time. Wait until there are       people trying to leave.
*When you walk with a crowd of people, stay alert（警惕的）and    your steps. Don’t play around.
*Be familiar with your      and learn where the safety exits are.
*When there’s pushing and squeezing（挤）, don’t move and try to hold on to something.
     stay in a corner until the crowd leaves.