[解析]
One day,David burst through the main door excitedly.Unable to conceal his delight and thrill,he announced that the school would like him to play solo at the school musical concert.【高分句型一】The whole family was extremely thrilled for him,for it was a perfect opportunity to realize his music dream.There was also a bit worry that he might suffer a blow in case of a failure,which threw us into a hint of uneasiness.【高分句型二】But we had faith in him.The following days witnessed him repeatedly practicing the chosen music skillfully.Then came the big day when he would go onstage.(描写大卫宣布要表演的事情)
Tapping the ground with his walking stick,David entered the stage.With the widest smile on his face,he walked towards the grand piano located in the middle of the stage.I sat up with anticipation,heart filled with pride.His fingers flew on the keys as his music filled the air of the 500﹣seat concert hall.After the last note was played,the whole hall erupted into applause.David stood up and took a bow,smiling broadly as the spotlight shone brightly on him.He would always be an inspiration to me.Through him,I learned having an unflagging spirit could overcome challenges and David truly had that.(描写大卫演出成功)