完形填空

　　I stood in the doorway,watching my older brother carefully putting clothes into his bag.I coughed uneasily.Finally realizing that I was there,Rocky turned toward me 1 　 a sad smile.

　　"I'm 2 　 tomorrow,"he said.

　　"I know."My 3 　 was almost a whisper.I was angry at 4 　 for being so weak,but I wasn't about to cry.

　　"My 5 　 is early,so there is still enough time to come to the airport,"he said.Seeing the sad look on my face,he quickly added,"I 6 　 I won't leave without saying goodbye."

　　I tried to say 7 ndline,but didn't.It's always better to 8 　 if you're about to cry."You promised you wouldn't cry,"he said to me,thinking that I was close to tears.

　　I remember the day he 9 　 me how to ride a bike.At first I thought he was always right behind me,holding the seat to keep me from 10 ndline.I was happy with this,but he knew he 11 　 hold me up all my life.He told me that one day he would have to leave.

　　His coughing stopped my 12 　.What was left to say?13 　 could I say goodbye to the person who taught me everything?

　　The next morning I 14 ndline,looked at my alarm clock,and realized he had left 15 　 before.We never even said goodbye.

　　Goodbye,Rocky!Although he may have been many miles away,I knew he heard me,even if it was only an answer in his heart.

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