----- Nội dung ảnh ----- ``` XI. 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 ________ very hard today. A. can B. may C. might D. would
3. I ________ be delighted to show you round the factory. A. can B. ought to C. should D. would
4. Leave early so that you ________ miss the bus. A. didn’t B. would C. shouldn’t D. can
