Viết lại câu , sử dụng câu reported speech ?

Question

1. Charles said, "I'm living in London".

2. He said to us, "You are my best friends".

3. Johnny said to me, "I don't know what Fred is doing"

4. Judy said to me, "I'm going away for a few days. I'll phone you when I get back"

5."There's been an accident and the road is blocked", said the policeman.