按要求转换下列句型。

1. To work in a school is very interesting. (同义句)

    ______ ______ very interesting to work in a school.

2. Don't worry too much about your exam. (同义句)

    Don't ______ ______ too much about your exam.

3. We maybe make our friends and family unhappy. (对画线部分提问)

   ______ ______ you maybe make your friends and family?

4. The headmaster saw the children playing on the playground. (变成复合句)

    The headmaster saw the children ______  ______ on the playground.

5. He will be back in two months. (对画线部分提问)

    ______ ______ will hw be back?

6. The old man bought the bird two weeks ago. (同义句)

    The old man ______ ______ the bird for two weeks.

7. He told the teachers at school about his problem. (对画线部分提问) 

    ______ ______ he tell the teachers at school about?

8. I need to look up the word in the dictionary. (变一般问句)

    ______ you ______ to look up the word in the dictionary?

9. They would like to help some homeless people. (变一般问句) 

    ______ you ______ to help some homeless people?

10. This volunteer work takes each of them several hours a week. (对画线部分提问) 

     ______ ______ does this volunteer work take each of them a week?