----- Nội dung dịch tự động từ ảnh ----- Bài 3: Chuyển các câu sau sang số nhiều: 1. This is an armchair. 2. I am a student. 3. It is a couch. 4. What is this? It's a stereo. 5. What is that? It's a bookshelf 6. That is an eraser. Bài 4: Đọc về gia đình Nam sau và trả lời các câu hỏi bên dưới: This is Nam. He is twenty-three years old and he is an engineer. There are five pec His father, his mother, his two sisters and him. His fahter is fifty and he is an enginee is forty-eight years old. She is a doctor. His sisters are twelve and seventeen. They ar 1. What is his name? his name is Nam 2. How old is he? He is twenty-three 3. What does he do? he is an engineer 4. How many people are there in his family?5 peaple 5. How old is his father? His father is fifty ài 5. Chuyển các câu sau sang số nhiều. 6. Is his father an enginee 7. How old is his mother 8. Is his mother a nurse? 9. How old are his sister and 17 10. What do his sister d-