阅读短文，回答问题。 Five years ago, I was a student in a middle school. There were five people in my family, my mother, my father, my sister, my brother and I. My father was a worker. My mother was a teacher of English. My sister, my brother and I were in the same school. We all worked hard. My home was at the West Hill. There was a big river near our house. There were some pear trees and apple trees around our house, but there weren't any pears or apples on them. Now I live in a big city. I only have three cats. One is white, the other two are black and white. I like them very much. 1．How many people were there in her family five years ago? _____________________________________________________________________ 2．What was her father? _____________________________________________________________________ 3．Where was the river? _____________________________________________________________________ 4．Was her mother a doctor? _____________________________________________________________________ 5．How many cats are black and white now? _____________________________________________________________________