3. Thanh said to her teacher, "Will I finish my exercises at home?" 4. My friend said, "Are you going to leave tomorrow?" 5. They said to us, "Must you go now?" 6. I asked Nam, "Are you free tonight?" 7. Nam said to me, "Did you stay at home last night?" 8. The mother asked her son, "Have you finished your homework?" ->...... 9. He said to her, "you are my friend." 99