( ) 1. A. Where are you going ? B. Where did you go ? C. I am going to Kunming. ( ) 2. A. What did you do ? B. What did you buy ? C. What did you see ? ( ) 3. A. I went on a trip. B. I went to a park. C. I went to the zoo. ( ) 4. A. Get off at the post office ? B. Which is stronger ? C. Tum right at the bank. ( ) 5. A. Which is heavier ? B. Have a good trip. C. Which is taller ?