I. Choose the best answer to complete each of the following sentences. 1. Young people_____ obey their parents. A. must B. will C. may D. ought to 2. Laura, you and the kids just have dinner without waiting for me. I _____work very hard today. A. can B. should C. may 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. shouldn’t C. won’t D. mustn’t 5. Jenny’s engagement ring is enormous! It ______ have cost a fortune. A. must B. will C. might D. should 6. You _____ to write them today.