3 . 以下每个句子只有一处错误，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。
1. Gone through a miserable childhood, he lives a happy life now.
2. To be frankly, I don’t know what you said just now.
3. In our daily life, we should have a balance life.
4. The magician must keep people from noticing the secret of his equipments.
5. Although many years have passed, the small town still has many of its origin buildings.
6. Many measures should be taken to protect cultural relics from dying off.
7. In average, people who don’t smoke are healthier than people who do.
8. Only at that time did I knew I was wrong.
9. I’ve read many books, in which I benefit a lot.
10. Apart the school, the village has a clinic and many small shops.