How to make everybody happy -小学英语作文

This is the way I maked all the students happy.
    One Monday. Tom and I went to Simon's office. Suddenly, I was slipping and fell, because there was some water on the floor. 
    When I stood up I thought: If I took the mop and dry the floor, nobody would slip and fall. then, I took the mop and dry the floor. Tom also helped me drying the floor.
   So I maked all the students happy.