Answer 1

One day Li Ping was riding in the street when the old man came across the street. The old man

                                     An                       

was knocking down. Instead of helping him stand up, Li Ping shouted at the old man angry and

    knocked                                                         angrily                   

ride away at a high speed. Several minutes late, she found one of her book in the basket of the

 rode                              later                  books                     

bicycle missing. She hurried back to the place where the accident took place there. To his surprise,

                                                              去掉   her           

Li Ping found the old man was waiting her. She felt ashamed while he handed the book back to

                          后加for                 when                     

her.