从下面方框中选择适当的选项填人短文中.选项中有两多余的. A. go B. about C. down   D. saying  E. surprised   F. voice G. around   H. happiness  I. others     J. sorry    K. owner  L. thank The Secret of Happiness The old man entered the restaurant slowly wearing an old coat and trousers.  He looked around, but it seemed no one cared __ 1 __ him.  A young waitress named Mary saw him __ 2 __ toward a table by the window.  She ran over to him, and said,  'Here,  Sir.  Let me give you a hand with that chair. ' Without __ 3 __  a word, he smiled and nodded a 'thank you'. She pulled the chair away from the table. Then she helped him move in front of the chair, and sit __ 4 __ comfortably. In a soft and clear __ 5 __ he said,  'Thank you for your kind gestures,  Miss. ' 'You're welcome,  Sir,' she replied,  'My name is Mary.  I'll be back in a moment, and if you need anything just wave at me!' After he had finished a meal of cakes and hot lemon tea, Mary brought him the change from his bill.  She helped him up from his chair, handed him his coat, and walked with him to the front door. Holding the door open for him, she said, 'Come back and see us, Sir!' He turned __ 6 __ and nodded a 'thank you'.   'You are very kind,' he said softly. When Mary went to clean his table, she was__ 7 __ to find a business card and a piece of paper under his plate.  Under the paper was a one-hundred dollar bill. The paper read.  'Dear Mary, I respect you very much, and you respect yourself too. It shows by the way you treat __ 8 __.You have found the secret of __ 9 __. Your kind gestures will shine through to those who meet you. ' In fact, the old man was the __ 10 __ of the restaurant where she worked.