读短文，判断句子正(T)误(F)。 I'm John. This is my family. There are four people in my family. What are they doing? I'm doing my homework. My mother is washing clothes. My father is talking on the telephone. Where is my sister? Oh, she's listening to the radio in her bedroom. (     ) 1. There are five people in John's family. (     ) 2. John is doing his homework. (     ) 3. His father is watching TV. (     ) 4. His mother is washing clothes. (     ) 5. John's sister isn't at home.