b1: viết lại câu 1. My best friend is the best in my class. → (no one) ____________________________________ . 2. Chicken is cheaper than beef. → (more) ____________________________________ . 3. To my...

1. No one in my class is better than my best friend. 2. Beef is more expensive than chicken. 3. Listening to conversations in English is harder than speaking English, to my knowledge. 4. This lunch is more delicious than any she's ever had. 5. Mr. Long is the best doctor in this hospital. 6. I've never driven a faster moving car than this one. 7. This castle is the oldest place around here. 8. Do you have any shirts bigger than that one? (Note: "biggest" would imply a comparison between multiple shirts, but the original sentence only mentions one shirt.) 9. I am the shortest person in the class. 10. The company's revenue in May is lower than the previous months.