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 received your letter dated April 16 the day before 1．
yesterday. Every of our family are greatly delighted to 2．
learn whether you are getting along very well with your 3．
lessons. Time passes quickly. In dozens of day, you’ll 4．
finish middle school. What please us most is that you 5．
do very good to make up your mind to enter for the college 6．
entrance examination this summer. What wonderful 7．
it is! Dad, as well as Mom and I, are with you. We 8．
wish you to make better use your time. The fuller preparations 9．
if you make, the surer of success you’ll certainly be. 10．