Turn these sentences into reported speech
1. He asked me: " Do you have a sister ? "
2. The teacher tells us: " Your should learn harder and harder "
3. " Kate can keep calm even when she has lots of pressure " Tom said
4. " I got a very high score in my last test, Mum " she said
5. " Do you sleep at least eight hours a day ? " the doctor asked him
6. " I'm really stressed out ! I've had three sleepless nights thinking about my exam " she said
7. " He'll take a cooking class before he goes to college " I said
8. Jack asked me " Is she telling me the truth ? "