Rewrite the following sentences after changing them into the reported speech/ indirect form:
1- My father said to my brother, “how long have you been hiding your exam result from me?
2-The students said to the teacher, “Do we have to study all these pages?
3-Lilly said to Jasmine, “What time does the train leave?”
4-My colleagues kept asking me, “Why did you want to leave the country?”