句型转换 按括号中的要求完成句子，每个空格填一个单词。
1. He usually has dinner at home. （改为一般疑问句）
________ he usually ________ dinner at home?
2. They get up at seven in the morning. (改为否定句)
They ______ get up at seven in the morning.
3. Those are some erasers.（改为单数句）
________   ________ eraser.
4. He likes biology because it's interesting. (对划线部分提问)
________ ________ he ________ biology?
5. We have science on Tuesday and Thursday. (对划线部分提问)
________ do ________ ________ science?
6. Do your parents play soccer?（作否定回答）   No, ______ ______ .
7. I want green and black. （对划线部分提问）
________ ________ do you want?
8. Jack’s sister likes biology best. (改为同义句)
Jack’s _________ _________ subject is biology.
9. What’s the price of the books? （改为同义句）
_________ ___________ ________ the books?