完形填空。 There was a boy who was sent by his par ents to a boarding school (寄宿学校)．__ 1 __ being sent away，this boy was the__ 2 __student in   his class.He was at the top in every__ 3 __ always with high marks. But the boy changed after__ 4 __home and attending the boarding school.His grades started __ 5 __.He hated being in a__ 6 __.He was lonely all the time.And there were especially dark times when he__ 7 __committing suicide (自杀)．All of this was because he felt__ 8 __and no one loved him.His parents started__ 9 __about the boy.But they even did not know what was __ 10 __with him.So his dad decided to travel to the boarding school and__ 11 __him. They sat on the bank of the lake near the school.The father started asking him some casual questions about his classes，teachers and__ 12 __.After some time his dad said，“Do you know，son，why I am here today？” The boy answered back，“To__ 13 __my grades？” “No，no，”his dad replied.“I am here to tell you that you are the most__ 14 __person for me.I want to see you__ 15 __.I don’t care about grades.I care about you.I care about your happiness.YOU ARE MY LIFE.” These words__ 16 __the boy’s eyes to be filled with tears.He__ 17 __his dad.They didn’t say anything to each other for a long time. Now the boy had__ 18 __he wanted.He knew there was someone on this earth who cared for him deeply.He__ 19 __the world to someone.And today this young man is in college at the top of his class and no one has ever seen him__ 20 __！ (     )1．A.After (     )2．A.hardest (     )3．A.exam (     )4．A.coming (     )5．A.rising (     )6．A.group (     )7．A.led to (     )8．A.worthless (     )9．A.caring (     )10．A.crazy (     )11．A.talk with (     )12．A.family (     )13．A.realize (     )14．A.outstanding (     )15．A.happy (     )16．A.caused (     )17．A.answered (     )18．A.nothing (     )19．A.showed (     )20．A.sad B．Before B．naughtiest B．activity B．returning B．increasing B．term B．felt like B．careless B．turning B．true B．listen to B．friends B．analyze B．important B．excellent B．wanted B．ignored B．something B．meant B．angry C．When C．brightest C．game C．leaving C．reducing C．company C．thought back C．concerned C．worrying C．possible C．tell to C．study C．check C．famous C．interested C．encouraged C．hated C．everything C．intended C．pleasant D．While D．dullest D．class D．reaching D．dropping D．party D．looked for D．annoyed D．speaking D．wrong D．care about D．grades D．test D．familiar D．satisfied D．forced D．hugged D．anything D．expressed D．joyful