Choose the correct answer. 1) I have to/don't have to finish my project on Monday. 2) My father has to/doesn't have to be at work at eight o'clock. He is the boss. 3) My father warned me about the party. I have to/don't have to be at home before midnight. 4) The doors have to/ don't have to be closed at five o'clock. 5) I have to/don't have to finish painting. Otherwise i will be punished. 6) The students have to/don't have to go to school on Sunday. 7) You have to/don't have to wear a helmet in the construction area.