1 . 单句改错
增加：在缺词处加一个漏字的符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜
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. It was not until the war was over when he returned home.
2. I wish he has helped me when I was in trouble.
3. The books were all neatly in a place, carefully arranged.
4. It is suggested that enough money collected to fund the project.
5. Though tiring, Professor Wang still kept giving the students a lecture.
6. Doing some exercise every day contributes to keep you healthy.
7. Among the goods is Christmas trees, flowers, candles and toys.
8. If I am you, I wouldn’t answer the call.
9. Without any possession, he is having a hard time.
10. The singer sang a song called Don’t Cry, makes the audience on the spot burst into tears.

2 . 单句改错
1. I found myself in an entirely new world for the moment I arrived in Beijing.
2. Do you jump out of bed early, widely awake and ready to start your day?
3. I had run out printer ink, so I drove to the only store to buy some.
4. A wide range of factor can lead to exam stress for a kid.
5. The watch has gone wrong. I wish I bought a better one.
6. Despite of the bad weather, they decided to go outing this weekend.
7. Many roads are in bad conditions and accidents are frequent.
8. A lot of the small towns in the area are definitely worth visited.
9. Many people take for granted that black is a color of bad things while white always means something good．
10. Mr. Smith must not have gone to Beijing, for I saw him in the library just now.