第二节 完型填空
阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。
The old boots had bothered (烦扰) him so much that Johnny decided to throw them away. He went to the rubbish pit (坑)outside the town and【B1】the boots into the pit.
"Now I've【B2】got rid of them--and my【B3】, too! "he said to himself, quite【B4】. Then he returned home, lay down on his bed, and fell asleep.
【B5】he had a dog, for which Johnny cared little. It often made a journey as far as the rubbish pit, and 【B6】the pit to find something unusual. When it discovered to whom the heavy pair of boots had【B7】 , it 【B8】picked up one in his mouth and【B9】straight for home. The dog placed the boot, at its【B10】bedside, then hurried out to get back【B11】in the same way.
No sooner had Johnny woke up and【B12】the boots than【B13】filled his heart. 【B14】can walk by themselves and something must be done to end the matter, he thought.
Then he made a big fire in front of his house. He was 【B15】about to burn the boots in the fire when a strong wind began to blow. In no time the【B16】caught fire. 【B17】he had managed to 【B18】the neighbours to put out the fire, the house burnt down. But the boots were 【B19】again--by the old【B20】dog.
【B1】

A. dropped
B. cast
C. washed
D. left