----- Nội dung dịch tự động từ ảnh ----- Ex 15. Choose the best answer. 1. We _________ leave now if we want to catch the train. a) must b) shouldn't c) can d) needn't 2. She _________ be at home because her car is parked outside. a) can b) may 3. You _________ drink and drive. It's against the law. a) can b) shouldn't 4. I _________ finish this by the end of the day if I work hard. a) must b) can't 5. He _________ be the one who stole the money. He was with me the whole time. a) may b) can't 6. You _________ eat all that candy. It's bad for your teeth. a) can b) shouldn't 7. We _________ be late for the movie. Let's hurry up. a) may b) must 8. She _________ attend the meeting tomorrow if she rearranges her schedule. a) can b) may 9. He _________ finish the report by tomorrow if he works late tonight. a) can b) couldn't 10. We _________ park here. It's a no-parking zone. a) mustn't b) can