1. We had to have an English test this morning. (变为一般疑问句)
    ______ you ______ to have an English test this morning?
2. There is something interesting in today's newspaper. (变为否定句)
    There ______  interesting in today's newspaper.
3. The boy in the river is Mr Green's son. (对画线部分提问)
    ______ is Mr Green's son?
4. The population of Tianjin is about 12 million. (对画线部分提问)
    ______ the population of Tianjin?
5. Is Uncle Wang a teacher? (用a worker改为选择疑问句)
    _______ Uncle Wang a teacher _______ a worker?
6. I used to read newspapers after supper. (改为一般疑问句)
    _______  you _______ read newspapers after supper?
7. Lucy usually cleans the cage every two days. (对画线部分提问)
    _______ Lucy usually clean the cage?
8. Let's go to the cinema, _______? (补充反意疑问句)
9. —Do you have a bike? (作肯定回答) 
    —_______, I _______.
10. —Have you been to Beijing? (作否定回答)
      — _______, I _______.