Many years ago,a big earthquake hit America,killing over 30,000 people.A father（1）his wife safely at home and rushed to the （2） where his son was supposed to be, （3） to discover that the building was as flat as a pancake.
　　Seeing this,he remembered the （4） he had made to his son,“No matter what happens,I'll always be there for you!”Tears began to （5） his eyes.As he looked at the pile of（6）that once was the school, it looked （7） ,but he kept remembering his words to his son.
　　He began to concentrate （8） where he had （9） his son to class before. Remembe- ring his son's （10） had been in the right back corner of the teaching building, he rushed there and started digging（11） the ruins.
　　He kept digging and digging. Hours later,other （12） parents tried to pull him off （13） had been his son's classroom,saying,“It's too late! They're all dead!”
　　But the father kept digging for his son. The fire chief （14） and said,“Fires are breaking out.You're in （15） . Go home.”Hearing this,the American father, （16） very tired now,asked politely,“Are you going to help me?”
　　He went on（17） . He dug for 8 hours …12 hours …24 hours …36 hours …then,in the 38th hour,he heard his son's （18） . He screamed his son's name,“ARMAND!”And he heard his son shout back,“Dad?!It's me,Dad! I told the other kids not to worry. I told them that if you were （19）you'd save us.You promised no matter what happened,you'd always be there for me! You did (20),Dad!”