A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s disappointment,she said she would go. This   16   be the first time that his classmates and teacher   17   his mother and he felt ashamed of her   18  . Although she was a beautiful woman, there was a scar(疤痕)that   19  nearly the right side of her face. The boy never wanted to   20  why or how she got the scar.
At the meeting, the people were impressed by the kindness and natural beauty of his mother in spite of the scar, but the little boy was still  21 and hid himself from everyone,  22   a conversation between his mother and the teacher.
The teacher asked   23 ,“How did you get the scar on your face?”
The mother answered,“When my son was a baby, he was in a room that caught fire. Everyone was   24  afraid to go in because the fire was   25   ，so I went in. As I was running toward his bed, I saw a piece of wood coming down and I placed myself over him trying to protect him. I was knocked senseless but   26  , a fireman came in and saved both of us.” She touched（摸着） the   27  side of her face. “This scar will be  28 ,but to this day, I have never regretted what I did.”
At this point, the little boy came out running toward his mother with tears in his eyes. He held her mother in his arms and   29   a great sense of the sacrifice(牺牲)that his mother had made for him. He held her hand tightly for the   30  of the day.

A passenger (乘客) told an air hostess (空姐) that he needed a cup of water to take medicine when the plane just took off. She told him that she would bring him the   16  soon.
Twenty minutes   17 , when the passenger’s ring for service sounded, the air hostess realized it at once. She was kept so busy that she   18  to bring him the water. Therefore, the passenger was held up (延迟) to take his medicine. She hurried over to him with a cup of water, but he   19  it.
In the following hours on the flight,   20  time the air hostess passed the passenger, she would ask him with a smile   21  he needed help or not. But the passenger never   22  her words.
When he was going to get off the   23 , the passenger asked the air hostess to hand him the passengers’ booklet (意见簿). She was very   24 . She knew that he would write down sharp words, which might make her   25  the job.   26  with a smile she handed it to him.
Off the plane, she   27  the booklet, and cracked a smile, for the passenger put it, “On the flight, you asked me if I needed help for twelve times   28 . How can I refuse   29  twelve sincere smiles?”
That’s right! It was the twelve smiles of the air hostess that touched (感动) the passenger
  30  and of course she wouldn’t lose her job!