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，把多余的词用斜线(—)划掉，在该行右边横线上写出该词，并也用斜线划掉。
缺一个词：在缺词处加一个漏字符号(∧)，在该行右边横线上写出该加的词。
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。
Spring have come to Portland at last. The sky is blue.
76. ______ Birds 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 schools.
85. ______