题目内容：

单句改错

1.Though he failed many times in election, he never lost his heart.

2.There was no person to who I could turn for help in the street last night.

3.Judged from his accent, he must be from Australia.

4.I lived in that you call “Ancient Greece” and I used to write about the Olympic Games a long time ago.

5.In return his help, I will give him a new CD.

6.He is such a good teacher that we all respect.

7.He was about to go to bed while there was a knock on the door.

8.It was dangerous because if I was caught I could be put in the prison.

9.It was in this city where we met for the first time last year.

10.The old lady survived her husband for 5 years.