题目内容：

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

On December 19th, 2010, an airbus took off from the capital airport of Saudi Arabia. After about an hour’s flight, something 1. (believe) happened on the plane. The air hostess was about to serve lunch 2. a small mouse stole out from the bag of a young man, which frightened the young woman nearby and she shouted loudly. Then more and more mice came out of 3. bag. 4. (catch) by surprise, the other passengers all shouted in panic. The steward managed to get in touch with the control center on the ground. With the order from the ground, the plane 5. (success) landed at the nearest airport. As soon as the plane was on the ground, all the passengers got off. Then seven specialists got on the plane 6. (kill) the mice. Many means had been tried but 7. of them were good enough.

At last, they tried to fill in the plane 8. carbon-dioxide, which poisoned all the mice. It 9. (report) that the young man wanted to carry the mice to another city and sell them as 10. (pet), but he didn’t expect they succeeded in escaping from the bag.