短文改错(共10小题；每小题1.5分，满分15分)
此题要求改正短文中的错误。对标有题号的每一行做出判断：如无错误，在答题卡相应的位置上画一个勾（P）；如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词写在答题卡相应的位置上，用斜线（\）划掉。
此行缺一个词：在答题卡相应的位置上写出该加的词，并附带前（后）词。
此行错一个词：在答题卡相应的位置上写出该错词和改正后的词。
注意：原行没有错的不要改。
Hi Susan,
I’m sorry that I wasn’t able to return to your 76______
bike on time yesterday. I mean to give it 77______
back to you before four in the afternoon, and I 78______
was hold up on my way back. Just before I 79______
turned corner of Park Street, I happened to 80______
see an accident. A little girl was hurt and her 81______
mother needed help. So I helped them going to 82______
the nearest hospital. I stayed here for one and 83_______
a half hour and made sure that the girl was all 84______
right. When I got back, it were already 6 pm. I 85_______
hope you understand.
Thank you!
Li Ling