xercise 13. Viết lại câu, dùng cấu trúc đồng nghĩa. Cấu trúc chỉ thời gian 1. He goes to work at seven fifteen. → He goes to work at a............ 2. Linh goes to school at six thirty. Linh goes to school at half. 3. We have English class at 7.15: Our English class starts at a 4. It is one fifty. It is ten...... 5. He goes to work at seven fifteen. → He goes to work at a. 6. He gets up at five fifteen. → He gets up at 7. Phuong has a brother, Nam. → Phuong is 8. Mr. Phong has a niece, Nhung. → Mr. Phong is 9. Peter is Mrs. Rosy's son. → Mrs. Rosy.......... 10.Phong has a sister, Nhung. → Phong is........ .....