题目内容：

Two years ago, Jo acted as a teacher in Papua New Guinea. There was no electricity, water or textbooks in the school. When she knew that the students 1. (die) to learn chemistry, she tried to show 2. (they) chemistry experiments every week. Sometimes, she doubled whether chemistry was relevant 3. these students, because most of them would go back to their villages. Actually, they had no 4. (person) ambition. The local people had a hard life. Their hut was so dark that it took time for one’s eyes 5. (adjust). The only possessions 6. could be seen were one broom, a few tin plates and cups and a couple of jars. They didn’t speak much of the local English dialect. When 7. (sit) around, she loved listening to them softly talking to each other in their language.8. (occupy) with teaching, she had no time for social 9. (activity). Instead, she often joined in their family party. She felt it was 10. privilege to spend a day with them.