第一节 短文改错
此题要求改正所给短文中的错误。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：
多一个词：把多余的词用横线(—)划掉，在该行右边的横线上写出该词，并也用斜线划掉。
缺一个词：在缺词处加一个漏字符号(∧)，在该行右边的横线上写出该加的词。
错一个词：在错的问下划一横线，在该行右边的横线上写出改正后的词。 注意：原行没有错的不要改。
Spring has come to Portland at last. The sky is blue. Birds
76. ______ are singing on the trees, flowers are blooming, and
77. ______ everyone are in a
good mood. Spring has always been
78. ______ a busy time with college students in Portland. They have
79. ______ to take final examinations and
hand out their term papers. 80. ______ Most of
students who have been living in the dorms
81. ______ will soon be packing their things to move back
to home 82. ______ for summer
vacation. Of course, many students will be
83. ______ looking for job during the summer and other students will
84. ______ remain in campus to take courses in
summer school. 85.
______