此题要求改正所给短文的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
　　该行多一个词：把多余的词用斜线（＼）划掉；在该行右边横线上写出该词，并也用斜线划掉；该行缺一个词：在缺词处加一个漏字符号（∧）；在该行右边横线上写出该加的词；该行错一个词，在错的词下划一个横线；在该行右边横线上写出改正后的词。注意：原行没有错的不要改。
　　An old man went to the hospital for something was trouble  76．________
with his lungs. Come to see him, the doctor said, “Well,        77．________
Mr John, you are going to have an injections（注射）,         78．________
and then you’ll probably feel very better. ”In the evening,       79．________
a young nurse came to Mr John’s bed and said gently          80．________
to him, “I’m going to give you first injection now, Mr          81．________
John. When do you want it?”The old patient seemed puzzled.    82．________
He saw at the nurse for several seconds, and then said,          83．________
“Nobody has ever let me to choose that before. Are you really    84．________
going to let me choose now? No, Mr John, ” replied she, “Where 85．________
do you want your injection? Well, then, ” Mr John answered with 
a smile, “I want it in YOUR arm, please.”