so i decided to help my mother mop the floor and surprise her.盛滿水,然后,但我想, i dragged the floor again. i looked back carefully. there seemed to be some fine paper scraps on the floor. although,我把地板拖了一遍,我心里真高興!我幫媽媽拖地,我要堅持到底, 因為覺得媽媽上班很辛苦,經媽媽一個驚喜, and the