9. He found living among local people there to be challenging but rewarding.

　 He found _____ _____ but ____ living among local people there.

8. You may miss out the second section of the article while reading it.

　 You may _____ _____ the second section of the article while reading it.

7. They hid themselves in amazement when they saw the soldiers.

　 ____ the soldiers, they hid themselves _____ _____.

6. You should notice your pronunciation when you are speaking English.

　 You should _____ _____ _____ your pronunciation when ______ English.

5. A woman who wore good clothes came in.

　 _____ _____ a _____ woman.

4. Whether to hold the sports meeting next week depends on the weather.

　 _____ depends on _____ but the weather _____ we _____ _____ the sports meeting next week.

3. I helped people harvest their crops before they rotted, and we hadn’t done such thing before.

　 I helped people harvest their crops before they rotted, _____ was something I _____ _____ done before.

2. If you follow the advice I’ve given you today, landing an interview should be as easy as a pie.

　 If you follow the advice ______ to you today, it should be quite easy _____ _____ an interview.

1. The problem is too difficult for us to work out.

　 It is _______ difficult a problem ______ we ______ work it out.

15. I should say sorry to him. I regret ______ to help him that day. A. refusing　 　　　　　　　　 B. to refuse　 　　 C. refused　 　　　　　　 D. refuse