giiair thik chi tiết Choose the best option for each sentence: 1. Young people ______ obey their parents. ​A. must​​B. may​​C. will​​​D. ought to 2. Laura, you and the kids just have dinner without waiting for me. I ______ work very hard today. ​A. can​​​B. may​​C. should​​D. would 3. I ______ be delighted to show you round the factory. ​A. ought to​​B. would​​C. might​​D. can 4. Leave early so that you ______ miss the bus. ​A. didn’t​​B. won’t​​C. shouldn’t​​D. mustn’t 5. Jenny's engagement ring is enormous! It ______ have cost a fortune ​A. must​​B. might​​C. will​​​D. should 6. You ______ to write them today. ​A. should​​B. must​​C. had​​​D. ought 7. I hope I ______ find it. ​A. will​​B. shall​​C. could​​D. must 8. Unless he runs he______ catch the train. ​A. will​​B. mustn’t​​C. wouldn’t​​D. won’t 9. ______ you be in Rome tonight. ​A. will​​B. may​​C. might​​D. maybe 10. We ______ have time to help you tomorrow. ​A. may​​B. must​​C. will​​​D. could. 11. "______ you hand me that pair of scissors, please?" ​A. May​​B. Will​​C. Shall​​D. Should 12. Jeanette did very badly on the exam. She _____ harder. ​A. must have studied​​​B. should have studied ​C. could have studied​​​D. must studied 13. He was very lucky when he fell off the ladder. He _____ himself. ​A. could have hurt​​​​B. should have hurt ​C. must have hurt​​​​D. will have hurt 14. Marcela didn't come to class yesterday. She _____ an accident. ​A. should have had​​​​B. might have ​C. must have​​​​​D. may have had 15. John still hasn't come out. He ______ everything for the trip now. ​A. must have been preparing ​​B. will be preparing ​C. must be preparing​​​D. will have prepared