短文改错（共10小题；每小题1分，满分10分)
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:
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:在错的词下画一横线,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。
Every time I saw someone swimming good,I was very jealous.76_______.
This summer,because of my best friend,Tommy,considered learning 77_______.
how to swim,I decided to go without him.Therefore,we signed 78_______.
up to attend the morning course.
On first day, Tommy and I got up early to go to the swimming 79_______.
pool.The instructor told us to warm it up,and then taught us how80_______.
to breathe properly.Before that,he showed us the freestyle step81_______.
by step.Tommy and I couldn't wait to get wet and jump into the 82_______.
pool.The pool was so deep and we almost drowneD. The instructor83_______.
pulled us out and told us it was danger to swim like that.84_______.
Swimming is fun, but you have to know to do it correctly.85_______.