Frank was a middle school student. His father was very(严厉的) with him. He felt unhappy and he left home(独自地). He couldn't find a job so he had to make a living by begging.
Years (以后), his father was old, but he was still looking for his son. He went to every corner of the city. (每个地方) he went, he put up a big photo of himself and Frank on the wall. At the top of the photo, he wrote," I still love you, my son. Please come back home. "
One day, Frank (看见) one of the photos. The faces on the photo were familiar to him, "Is that my father?" He thought for a while and decided to go back to see his father.
It was an （早的） morning when he got home. The door was (开着的). He rushed to his father's（卧室）. "It's me! Your son is back home." They hugged each other. The son asked, "Why is the door unlocked?"
The father(回答) in soft voice," Because I always believe you will(返回). In fact, the door has never been locked since you left. "
