1. I do not mind at all. You _______ apologize. A. shouldn’t​B. needn’t​C. mustn’t​D. oughtn’t to 2. You _______ lunch. We have already eaten. A. need preparing​B. should have prepared​C. should prepare​D. needn’t have prepared 3. Keep quiet. You _______ talk so loudly in here. Everybody is working. A. may​B. must​C. might​D. mustn’t 4. Michael _______ drive without headlights, it is forbidden. A. mustn’t​B. shouldn’t​C. have to​D. need to 5. “I didn’t have time for breakfast this morning.” “ You _______ be very hungry now.” A. might​B. may​C. must​D. should 6. Family _______ spend more time talking instead of just watching TV. A. must​B. should​C. might​D. needn’t 7. The teacher is angry with me. I didn’t do all the homework I _______ last week. A. should do​B. could do​C. should have done​D. must have done 8. Bring your umbrella.It _______ rain later today. A. must​B. might​C. need​D. should 9. She _______ be ill. I have just seen her playing basketball in the school yard. A. needn’t​B. shouldn’t​C. mustn’t​D. can’t 10. You _______ worry so much. I will help you. A. must​B. might not​C. mustn’t​D. needn’t 11. I will do everything. You _______ do anything unless you really want to. A. may​B. needn’t​C. must​D. ought to 12. Passengers _______ smoke until the signs have been switched off. A. mustn’t​B. can’t​C. needn’t​D. might not 13. Peter has been working for 10 hours. He _______ be very tired now. A. needn’t​B. must​C. has to​D. should 14. I can’t find my purse anywhere; I _______ it at the office. A. must leave​B. must have left​C. must be leave​D. must have been leaving 15. John failed again. He _______ harder. A. must have tried​B. should have tried​C. can have tried​D. may have tried