1. Unless you keep your feet dry, you will catch a cold.2. He's used to getting up early in the morning3. Some tulips were bought yesterday4. Nam's brother plays guitar better than Nam5. We will miss the plane if you don't leave now6. He is lazy so he failed the entrance university exam7. The glass window has been broken.8. If I am not kept late at the office, I will come to see you tomorrow9. It is 6 months since I last saw herCâu trả lời: 1. Unless you keep your feet dry, you will catch a cold.2. He's used to getting up early in the morning3. Some tulips were bought yesterday4. Nam's brother plays guitar better than Nam5. We will miss the plane if you don't leave now6. He is lazy so he failed the entrance university exam7. The glass window has been broken.8. If I am not kept late at the office, I will come to see you tomorrow9. It is 6 months since I last saw her