阅读短文，判断下列句子的对(√)与错(×) 。 A: Who's that man in the picture? B: He's my grandfather. He was 48 years old then. A: What did he do? B: He was a driver. He was a good driver. A: Is that woman your grandmother? B: Yes, she is. A: She wore glasses. Was she a teacher? B: No, she was a dancer. She danced very well. A: They don't have to work now. What are they doing? B: They're learning English. They're studying hard. (      ) 1.  My grandfather is 48 years old now. (      ) 2. He was a good driver then. (      ) 3. My grandmother was a dancer. (      ) 4. She danced very well. (      ) 5. They're learning the computer now.