Lily： 1.______2.______ people are there in your family?
Lucy： Four, my father, my mother, my sister and I.
Lily： 3.______ does you father do?
Lucy： He is a teacher.
Lily： What 4.______your mother?
Lucy： She is a cashier.
Lily： What is your sister 5.______?
Lucy： She is tall and slim.
