6. Выберите в скобках правильный вариант.
1. Who (could have/should have) done such a terriblething?2. You (mustn't/don't have to) decide now, but you mustdecide by the end of the week.3. You (needn't/shouldn't) shout, I can hear you perfectlywell.4. David (ought/must) to see a doctor about his leg.5. They (mustn't/can't) take the car because the petroltank is empty.You could have must have) been crazy to do somethinglike that!7. You (should/have to) tell him that you are sorry forwhat happened.8. When I went to secondary school, I ( had to/ought to)wear a uniform.||9. I (can/might) not be able to come to the restaurantwith you, so don't wait for me.10.You (could/should wash your hands before preparingfood.