完形填空。
A teenage boy couldn't stand his parents' family rules，so he left home.
He wanted to be __1__，but he had poor education and several years later，he had to ask for food on the street for a living.Now his mother has died.His father is an old man，but he is still looking __2__ his son.He has been to every corner of the city.Everywhere he goes，he __3__ a big photo of himself on the wall.At the lower part of the photo he writes，“I still love you...__4__ back home！”
One day，the son saw one of the photos.The face was familiar.“Is that my father？”He moved closer and read the __5__，“I still love you...”He cried.When he got home，it was early morning.He __6__ at the door.The door opened itself.He rushed to his father's __7__．His father was sleeping.He woke his father up.“It's me！Your __8__ is back home！”The father and the son held each other，full of __9__ tears.The son asked，“Why is the door unlocked？A thief could get in.”The father answered __10__，“The door has never been locked since you left.”
The door of parents' love of their children will never be closed.
1.A.famous B．poor C．different D．pretty
2.A.through B．after C．for D．out
3.A.looks at B．puts up C．finds out D．puts out
4.A.come B．go C．run D．rush
5.A.photos B．words C．posters D．pictures
6.A.pulled B．unlocked C．knocked D．locked
7.A.bathroom B．bedroom C．kitchen D．toilet
8.A.son B．daughter C．friend D．grandchild
9.A.sad B．worried C．angry D．happy
10.A.politely B．exactly C．softly D．excitedly