Billy is a boy of fifteen．His parents died three years ago．One day when he was walking in the street, he 1 a wallet．He returned it to the owner, Mr．Baker．He gave his 2 to the boy．As the boy had no job, Mr．Baker made him work for him in his 3 ．Billy worked so hard that Mr．And Mrs．Baker were 4 with him．
Mr．Baker loved planting 5 ．The week before last, he brought a few trees home, planted them in the 6 himself and watered them every day．Several days 7 , he had to leave for another city．Before he started, he said to Billy, “Take good care of these trees．Some boys near our house always want to steal(偷)them．”“Don’t 8 about them, sir,” answered Billy, “I’ll try my best to watch them．”Six days passed and Mr．Baker came back．He asked,“ 9 anyone ever come to steal the trees?”“No, sir,” said Billy, “To stop someone from stealing the trees, I 10 them up six days ago．I have hidden(藏)them for almost a week．”
