I worked for a short time as a cashier(收银员)at a restaurant a fewmonths ago.I also helped to clean upthe tables when it was very busy.One night,just before Christmas,Ifound a large black wallet on the floornear one of the tables.I guessed I I worked for a short time as a cashier (cashier) at a restaurant a fewmonths ago.I also helped clean the tables when it was very busy. One night, just before Christmas, Ifound a large black wallet on the floor one of of the tables.I guessed I.