[解析]
There are advantage for students to work while studying at school.One of them was that them can earn money.For the most part,students working to earn money for their own use.Earning their own money allow them to spend on anything as if they please.They would∧have to ask their parents for money or for permission to do things by the money.Some students may also to save up for our college or future use.
详解:
1.advantage改为advantages 考查名词复数.advantage为可数名词,前面有there are,表明此处应用复数形式.
2.was改为is 考查动词时态.全文讲述的是一般事实,用一般现在时态.
3.them改为they 考查代词.分析句子结构,can earn的主语应是主格代词they,them是宾格代词.
4.working改为work 考查句子结构.由句子结构可知,该行中working应该作谓语动词使用,不能用working.
5.allow改为allows 考查主谓一致.动名词短语Earning their own money作主语时,谓语动词用单数形式.
6.去掉if 考查连词.该行中的as应该引导方式状语从句,去掉if.
7.加not 考查句意.根据上下文的逻辑意义可知该句应该表示否定含义.
8.by改为with 考查介词.表示使用有形的工具时,通常用with来表示.表示采用某种方式或手段时,用by表示.此处表示具体含义,用介词with.
9.去掉to 考查词语用法.句中may为情态动词,其后用动词原形作谓语.
10.our改为their 考查代词.their指代句中的主语some students.