Fill in the blanks with must, should or ought (to). 1. your questions surprise me, you (to know) this. 2. children (to obey) their parents. 3. though it is a very unpleasant mission, i feel i (to tell) you the truth. 4. why… i (to know) where he is? 5. let’s tell him all as it is. he (to understand). 6. you (to apologize) when you saw that his feelings were hurt. 7. you (not to eat) so much bread; you will gain weight, which is not good for your heart. 8. (not to speak) about such things in the child’s presence. now you see the result. 9. i (to know) that it might come to that. 10. a) if they had been warned in time, they (to be) there by now. b) if they were warned in time they (to be) there by now. 11. his heart was now thumping so violently he felt it (to burst). 12. he gave you just that feeling of assurance, of confidence that a doctor (to give).