要求变化下列各句。
1. Our teacher is writing on the blackboard. (一般疑问句)
______ your teacher ______ on the blackboard?
2. Do your homework at school.(否定句)
______ ______ your homework at school.
3. Ann is wearing a yellow skirt. (同义句变化)
Ann ______ ______ a yellow skirt.
4. I think I can make cakes. (否定句)
I ______ ______ I can make cakes.
5. There is two babies on the bed. (对画线部分提问)
______ ______babies are there on the bed?
6. I can see a light on the table. (对画线部分提问)
______ you ______ on the table?
7. That kite is theirs. (一般疑问句并对画线部分提问)
_______________________________?
______ kite is it?
8. They are English books. (单数)
______ is ______ ______ ______.
9. Go there, please. (否定句)
______ ______ there, please.
10. He can live in it. (一般疑问句并回答)
______ ______ live in it? Yes, ______ ______.
缺失，前牙区牙较突出，组织倒凹大此患者如活动义齿修复