1 . 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写的以下作文。文中共有10处语言错误,每句中最多有两处。每处错误仅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该词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。

Ten years ago, my hometown is a small and poor city with few factories.And the citizens had few choice on transportation.However, nowadays my hometown has taken on brand new look with rapid development of culture and economy. The citizens' living conditions have been greatly improve and their lifestyles are different from in the past.Shop online has become popular.When they comes to transportation,private cars have become a common way of traveling beside public transportation.The best change is which all the people are living a hopeful life with confident.

2 . The number 9.11 is a special number,       , I think, that will be remembered by the Americans forever.

A．what

B．it

C．which

D．one