阅读短文，根据短文内容及首字母提示，在空白处填入一个适当的单词。
She is Liu Hui ,a middle school student in Anhui, one of the “ stay-at-home children” in her town. Liu Hui is 12 years old and lives (1) w _________ her sister. Her parents left home to make money in big cities when she was (2) o ________ four. Liu Hui has to take (3) c _________ of her younger sister. They have to stay at home alone (4) b ________ they have to go to school.
“I used to feel (5) s ________ without my parents at home,” she said, “but now I know (6) w _____ they do so. They have to go away to make money for (7) u _________ so that we can live a better life.”
Every day, Liu Hui gets up at 6:30 a.m. and cooks (8) b ______________. Then the two girls go to school. They have supper at 6:00 p.m. Then Liu Hui does housework and (9) h _____________ her sister with her homework. She usually goes to bed at 9:30 p.m.
Though busy, Liu Hui is still the (10) b ________ student in her class. She said, “My life is OK. But I still hope my parents will come back and live with us.”

句型转换。
1. The dress cost so much that she didn’t buy it.（用too … to …改写）
The dress cost ___  ___  ___  her  ___  buy.
2. It rained yesterday, so I stayed at home.（用because改写）
____ it ____  yesterday,  I  ____  at home.
3. My parents will go to America in two weeks.（对划线部分提问）
___  ____ ___  your parents ___ to America.
4. People use thermoses (热水瓶)for keeping water warm.（改为被动语态）
Thermoses ____  ___  ___  ____ water warm。
5. I hardly ever meet him after he moved to another district.（对划线部分提问）
____ ____ ____ you meet him after he moved to another district?
6. Collecting coins interests the small boy.（用interested改写）
The small boy ___ ____ ___ ___ coins.
7. Basketball was invented by a Canadian doctor.（改为主动语态）
a Canadian doctor _______    ______.
8. Naismith thinks he can do it well.（改为过去时）
Naismith ____ he _____ do it well.
9. He divided the players into two teams of eleven.（改为同义句）
He ____ the players into two teams of eleven.
10. He might know anyone at the party.（改为表示否定推测的句子）
He ____ ____ know anyone at the party.

---Look at those shoes, Mike!

  ---Wow! They look very cool, but I wonder ________.

A. how much are they                       

B. how much do they cost

C. if my parents will buy them for me          

D. that my parents will buy them for me