阅读下面的文章，判断下列句子的正（T）误（F）。 Hello, everyone. I am Tom. Let me tell you about my family. My father is a teacher. His name is Jack. My mother is a doctor. My father calls her lovely Lily. I have a little sister. And we have a dog. Her name is Nancy. We all like her. We are now living in London. But my grandparents are in Beijing. I hope we can go to Beijing one day. (     ) 1. Tom's father is a doctor. (     ) 2. Tom's sister's name is Nancy. (     ) 3. There is a dog in Tom's family. (     ) 4. Tom's grandparents are in Shanghai now.