1. I was born in Tianjin. (对画线部分提问)
    _______ you _______?
2. The children didn't go to the Great Wall last Sunday. (肯定句)
  The children _______  the Great Wall last Sunday.
3. They had a swim there yesterday. (一般疑问句)
   _______  they _______  a swim there yesterday  ?
4. It was Friday yesterday. (对画线部分提问)
     _______ it yesterday ?
5. —Were you in your office yesterday morning? (否定回答)
   —_______, I _______.