请教：2011年大学英语四级（CET－4)预测试卷（10）第1大题第1小题如何解答？

【题目描述】

【我提交的答案】：More and more students use credit cards ,they think credit card very convient ,they can buy the things they like anytime and don't conside how much it is？ For example you want to buythe computer,but your cash is not enough,you only go back to get more money or not buy it.you muse be not happy,if you use credit card ,you don't lose in trouble.But everything has two aspects, Credit Card is convient ,many students use money is very fast and waste money,so that they always ask thier parents to give their money.I think credit cards is used in advisable by students,its default can become right .It became more useful.

【参考答案分析】：

【我的疑问】（如下，请求专家帮助解答）

我写这篇作文能得多少分，麻烦专家了