题目内容：

根据首字母及短文内容填空

Some time ago, a fire broke out(爆发) in a building late at night. Nearly all the families were s1. inside the house. After the firemen came, they rushed into the burning building and saved the people to the safe p2..

The crowds thought all the people were s3.. But it was not so. Two little orphan(孤儿)girls were still asleep alone at the very top of the building in a small room. N4.thought of them. Luckily, they lived with a dog.

The dog tried to wake them up, but they couldn’t hear him. He ran to the window and barked l5.for help. B6.no one noticed him. Then he climbed down the ladder (梯子) and tried to pull a fireman to the ladder. The fireman kicked him away, thinking he was mad. Then the dog ran to a7.fireman, jumped on him, ran to the ladder, barking all the time and looking back as if he was asking the fireman to follow him. This fireman r8. there must be someone in the little room, as the dog was acting so strangely. So he followed the dog up the ladder, there he saw the two girls and saved them.

Where was the d9.? A brave fireman rushed into the room to look for him and found him lying near the window, choked (窒息) with smoke. He brought him down with care, but he was d10.. He gave up his life to save his friends. What a faithful friend!