题目内容：

以下每句均有错误，错误涉及一个单词的增加(∧)或一个单词的删除(\，其他错误为单词的修改。每处错误及其修改均仅限一词。

1.I couldn't get through the door because there was a big box on the way.

2.His parents won't allow him to train as many as he would like to.

3.Most people are against build a paper factory near here.They are worried that the river will get polluted.

4.The girl spent all her free time caring of for the sick old man.

5.It's a wise choice wear the white tie.It matches your shirt well.