1 . 单句改错
增加：在缺词处加一个漏词符号 (∧)，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. They decorated the room in flowers and paintings.
2. There are two new hotels near here under construct.
3. Not only the students but also their teacher are enjoying the beautiful scenery of West Lake.
4. He closed the window so as keep warm.
5. The reason why he was late was because he missed the train this morning.
6. To be honestly, I love the picture very much.
7. I saw the little boy cry there.
8. We don’t permit smoke in the office.
9. I would stay at home rather than to go outside.
10. It is typically of him to keep others waiting.

2 . 单句改错
1. Late although it was, we still went on working.
2. Although he is over eighty, but he looks healthy and energetic.
3. As they are poor, they are happy.

3 . 单句改错
1. －You have made great progress in English. How could you achieve it?
－I changed my approach to learn English.
2. This kind of change certainly will reflect people's thinking and creative activity again.
3. The out parts of something are the parts which contain the other parts and which are furthest from the centre.
4. If you don't know what you want you might end up to get something you don't want.
5. We hope, in a short, to bring theory and practice together in each class.
6. The old man found it difficult to exist in his pension (养老金) alone.
7. When you don't like what is happening, I suggest do something else.
8. It is true that we cannot help but admiring his courage.
9. Your car needs repaired immediately, otherwise it would cause traffic accidents.
10. If you keep too much attention to, you risk missing important information.
11. Have you read the novel reflected the life of the Chinese peasants?
12. If he continues like this, he will end up with lifting a stone only to have it drop on his on foot.
13. It is surprising that he sleeps all day long.