Change the following sentences into reported speech

IV. Change the following sentences into reported speech.
1. “I’ll pay back the money,” he said. (promise)
2. I’ll phone the police,” she said to us. (threaten)
3. “Hurry up” he said to me.
4. “Can I do the washing up?” said Lan. (offer)
5. “You should stop smoking,” the doctor told me. (advise)
6. “Could you change the light bulb for me?” she said.
7. “Don’t be stupid,” said my father.
8. “Would you like to come to my party?” Lan said to me. (invite)
9. “Don’t leave the door unlocked,” my mother told me.
10. “Can you speak English?” said the foreigner.
11. “Where did you buy this book, Nam?” said his friend.
12. “We are going to visit Lan this afternoon,” said Nga
13. “I must stay at home to look after my little sister,” Mai told us.
14. “Did you watch the film on TV last night?” my classmate said.
15. “ How long have you learnt English, Nga?” said Mrs Hang.