此题要求改正所给短文中的错误。对标有题号的每一作出判断：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词。
该行错一个词：在错的词下划一横线，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。
Eddie liked music very much. After leaving in                     __________
a medical college he went to work in hospital.                     _________
There he found that a lot of patient were happier                   _________
and caused little trouble if pleasant music was                     __________
playing to them. So, when he began to work in his                  __________
office he had a recorder playing beautiful music
to keep his patients happy. A morning soon after                     __________
the recorder has been played, a woman, who was                   _________
sitting in the crowded waiting room, she complained,                 __________
“We’re all waiting here to see the doctor                          _________
while he just playing the violin in his office                        _________
instead of doing his medical work.”