Выбрать правильную форму: 1. you mustn't/don't have to park near a zebra crossing. 2. we mustn't/don't have to hurry, we've got plenty of time. 3. one mustn't/doesn't have to drive without a seat-belt. 4. you mustn't/don't have to tell dan about the letter. i've already told him. 5. i mustn't/don't have to write them letters. we often meet. 6. you mustn't/don't have to work such long hours. you won't earn more. 7. whatever you do you mustn't/don't have to touch this switch. it's dangerous. 8. you mustn't/needn't/don't have to carry your suitcases by yourself; there are porters at the railway station. 9. you mustn't/needn't/don't have to call her; she's coming tomorrow. 10. i promise i'll be on time. i mustn't/don't have to be late.