短文改错假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌的以下作文.文中共有10处语言错误,每句中最多有两处.错误涉及一个单词的增加、删除或修改.增加：在缺词处加一个漏

Question

短文改错
假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌的以下作文.文中共有10处语言错误,每句中最多有两处.错误涉及一个单词的增加、删除或修改.
增加：在缺词处加一个漏字符号（∧）,并在其下面写出该加的词.
删除：把多余的词用斜线（\）划掉.
修改：在错的词下划一横线,并在其下面写出修改后的词.
注意：1．每处错误及其修改均仅限一词；
2．只允许修改10处,多者（从第11处起）不计分.
This term we have a new English teacher,Mr．Zheng,which often says,"A good teacher
should be a person who does all that he can make himself unnecessary．" At the beginning,we all
felt puzzling at his words,but gradually we came to accept Mr．Zheng as a greater teacher．Above
all,he has a special way to make ourselves interested in his class．Beside,he always gives us
some advice on what to learn English better．"The purpose of learning a foreign language," he
said,"are to be able to use it freely in our daily life．Try your best to practice English both in and
out of class,you will surely make a great progress．"

Answer 1

1. which改成who2.unnecessary改成necessary make 前面加to3.puzzling改成puzzled greater 改成great4.ourselves改成us Beside改成Besides5.what改成how 6.are改成is said改成says