1. I .........................(not/go) to Chiang Mai last weekend.
2. My father ........................(wash) his car yesterday.
3. ........................ (you/go) to China last year?
4. They...................... (study) Chinese yesterday.
5. She......................... (not/sleep) well last night.
6. .........................(he/help) his mother last night?
7. We ..............(drink) milk last night.
8. .................. (he/swim) in the pool yesterday?
9. You ................. (not/have) a new car.
10. The thief.......................... (run) away from the policeman.