根据上下文补上所缺的单词的ing形式，使短文完整

(write  do  cook  clean  wash  answer  listen  draw  read  work)

    Everybody is very busy. Grandpa isa letter. Grandma isa book. Dad is in the study. Mom is dinner in the kitchen. Brother is  to music. Sister is the room. I am  pictures. Uncle is the phone. Aunt is  clothes. Cousin is homework.