词汇应用(共12小题，每小题1分，满分12分)
Tom is a boy of fifteen. His parents ____(die) two years ago, and he had to make a living by      (he). Now he ____(work) as a servant at Mr. Jackson’s. He works hard and Mr. Jackson is pleased with him. Mr. Jackson enjoyed ___(plant) all kinds of trees. There are many kinds of precious (珍贵的)trees in his garden.
The week before last Mr. Jackson _____(bring) a few trees home, planted them in the garden himself and watered them every day. Some days   (late), he had to ___(leave) for another city. Before he started, he said to Tom,  "_____(take) good care of the plants when I am out. Some boys of our neighbors always want ____(steal) them."  "____(not worry) about them, sir," answered Tom.” I _____(try) my best to watch them."
Six days passed and Mr. Jackson came back. As soon as he saw Tom, he asked,” Did anyone come(come) to steal the trees?” No, sir," said Tom.” I   (pull) them six days ago. Now they have been hidden (藏起来)in the house for nearly a week!"