Bài 4: Đọc đoạn văn và trả lời câu hỏi This is Nam. He is twenty-three years old and he is an engineer. There are five people in his family. His father, his mother, his two sisters and him. His fahter is fifty and he is an engineer, too. His mother is forty- eight years old. She is a doctor. His sisters are twelve and seventeen. They are students. 1. What is his name? 2. 3. 4. 5. 6. 7. 8. How old is he? What does he do? How many people are there in his family? How old is his father? Is his father an engineer? How old is his mother? Is his mother a nurse? How old are his sisters? 10. What do his sister do?