7．此题要求改正所给短文中的错误．对标题号的每一行做出判断：如无错误，在该行右边的横线上划（√）；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：把多余的词用斜线划掉，在该行右边横线上写出该词，并也用斜线划掉．
此行缺一个词：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．
此行错一个词：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．
I picked out a baby bird without any feathers on my （76）out改为up
way home．It was too young to feed itself，so I took it （77）√
into my room and fed it careful．It grew up a month later． （78）careful改为carefully
It kept in a birdcage made by myself．One morning．I （79）kept前加was
happened to think that it should return to nature or that （80）or改为and
the forest should be it's home indeed，so I set it free．To （81）it's改为its
my surprise any joy，it fly down and stood on my shoulder，（82）fly改为flew
appeared to welcome me when I came back after school． （83）appeared改为appearing
From then on，I often saw it to fly away as I left for school （84）去掉to
and fly back when I came home．We were good friend for years．（85）friend改为friends．
