8. They worked in their spare time as v_____________. In other words, they worked for free.

7. The ship s__________ off the coast of Newfoundland during a storm.

6. Of all the museum’s paintings, only one s___________ the fire.

5. The hotel guests tried their best to e__________ from the burning building.

4. Many men were b__________ underground when the accident at the mine happened.

3. Unexpected difficulties a_________ in the course of their experiment.

2. Judging from his accent, he is a n_________ of Ningbo.

1. When I saw her in the street, I stopped and smiled, but she i___________ me and walked on.