1 đúng.
2. Him là tân ngữ chỉ người → từ để hỏi Who.
Who do you have to lend some money?
3. Hỏi về 1 khoảng thời gian → How long does Jane have to go away?
4. Hỏi về tần suất → How often do you ought to practice English?
1. Why did you have to go to the police station last week?
2. Who do you have to lend some money?
3. How long does Jane have to go away?
4. How often do I ought to practice English?
5. Why do children have to obey their parents?







