阅读短文,判断句子的正(√)误(×)。 My name is Li Ping. I am sixty years old now. I have a very happy family. I have one son, one daughter and two grandchildren. However, my life was very different many years ago. At that time, I lived in a very small and dirty house. My mother cooked on a fire. We didn't have enough food. Now I live in a big and nice house. I have a television and a radio. I even have a computer. I get to know lots of new friends by the Internet. ( ) 1. Liping has four grandchildren. ( ) 2. Liping lived in big house when he was a boy. ( ) 3. Liping has no TV now. ( ) 4. Liping makes friends(交朋友) on the Internet. ( ) 5. There is a radio in Liping's house.