1. What's the matter with you?a. They went there by train. 2. What did the doctor say?b. Yes, I did. 3. What did you do yesterday?c. I have a cold. 4. Where did you go last night?d. I had a party with my friends. 5. How did they go to Shenzhen?e. I stayed at home. 6. How many ducks did you have?f. I had ten. 7. Did you go out yesterday?g. He asked me to drink lots of water.