While

问题详情：

While_71_(wait) for the airplane to take off,I was happy to get a seat by then,_72_air hostess approached me and asked,"Would you mind_73_(change) your seat?A couple would like to sit together."The only possible seat was next to a girl with her arms in casts（石膏绷带）,a black and blue face,and a sad_74_(express)."No way am I going to sit there,"I thought_75_(immediate) a soft voice spoke,"She needs help."Finally,I decided to move to that girl was named was hurt in a car accident and now was_76_her way to treatment. When the snacks and juice arrived,it did not take me long to realize_77_Kathy would not be able to feed herself.I considered_78_necessary to feed her but hesitated,as it seemed too impolite to offer a service to a then I realized that Kathy's need was more important than my discomfort.I offered_79_(help) her eat, and although she was uncomfortable to accept,she did as I became closer and closer in a short period of the end of the five-hour trip,we had become sometimes flows beyond human borders and_80_(remove) the tear that keeps us we offer to serve another,we grow to live in a larger and more rewarding world.

【回答】

ing                              73changing         ession     diately   

                                                                   help                 ves

知识点：语法填空

题型：未分类