Exercise 12 (8 points Choose the correct modal verb. Write down full sentences. You must / mustn’t eat in the classroom. It’s forbidden. You must / mustn’t pay your rent. That’s the rule. We have to / don’t have to pay for the tickets. They are free of charge. I have to / don’t have to work at the weekend, so I can’t do what I want. You need to / needn’t do the washing up, I’ll do it later. You look tired. You need to / needn’t go home and get some rest. I can / can’t speak to you now. I’ll call you in the evening. You can / can’t rest later. Now we have to work.