单句改错 (共10小题；每小题1分，满分10分)

下面每句中都有一处错误。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，并在该词下面写出修改后的词。

注意：每处错误及其修改均仅限一词；

1.The police is investigating (调查) the cause of the accident.

2.It’s quite difficult to find who’s responsible of pollution.

3.That’s why I want to find out.

4.Here is the book written by him of lots of pictures in it.

5.That sounds like a great idea.

6.There are five for you to choose . You can choose one of them.

7.Please dial this number if you want any farther information.

8.The solution of the problem was helpful.

9.He apologised his teacher by writing him a letter.

10.He passed the English test, it really surprised his teachers.