1 . 每句一处错误, 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: 在错的词下面画一横线, 并在该词下面写出修改后的词。
1. He kept concentrating in the same topic since he was a stubborn person.
2. I prefer writing a term paper than taking an examination
3. Another time five months ago, I happened to be upstairs at dusk when the window open.
4. India has a largest number of fluent English speakers.
5. He can’t forgive him for not seeing his mother before she died.
6. You must listen carefully and follow that teachers said.
7. It is not easy to quit smoke cigarettes.
8. Some puzzles look difficult but are actual quite simple.
9. I was frightening on my first day of classes at an American university.
10. I sat quietly on myself.

2 . 请你修改以下的每个句子，每句有1处语言错误，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(∧)，并在此符号下面写出该加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下面画一横线，并在横线下面写出修改后的词。
注意：每处错误及其修改仅限一词。
1. Most of the families in China consist for one husband, one wife and one child.
2. In conclusion, walking is a cheap, safe, enjoy and readily available form of exercise.
3. They could take place of power plants.
4. These tools can be fold into a neat little pack and fastened on your belt.
5. Suddenly the driver began to speed it up.
6. I lost sights of him but could still hear his footsteps.
7. The little boy slide into his bedroom while no one was looking.
8. Guiding by the concept of “green Olympics, high-tech Olympics and people’s Olympics”, we have tried our best to do the preparations for the Games.
9. Deeply impressed on its beauty, I fell in love with Guilin.
10. It took me a few weeks to get used to my new surrounding.

3 . 每句中有1处语言错误，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。
注意：
1. 每处错误及其修改均仅限一词；
1. Ms Shen’s method of teaching is nothing like one of the teachers at my Junior High school.
2. I think we all made a lot of progresses—in just an hour.
3. During scientific experiments, she explains exactly that is happening.
4. I’ll do well in the exam with Mrs Chen taught me.
5. We ate great meals cooking by experts.
6. The Afghans and their camels did this until 1920s.
7. It’s been six years since we last see each other.
8. They have put on a lot of high-rise buildings recently.
9. The earth is forty-nine times as larger as the moon.
10. Berners-Lee made it is possible for everyone to use the Internet.

4 . 下列每句有1处错误，错误涉及一个单词的添加、删除或修改。
添加：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. His new novel is actually based on her own experience.
2. She has written the number of articles for the local paper.
3. Late in the 18^th century some British people were taken to Australia too.
4. The sports meeting had to be put off because it rain heavily.
5. There was a determining look on his face.
6. Some of us persuaded him to changing his mind.
7. Although she didn’t know the best way ,but she insisted that she organize the trip.
8. When I graduated middle school, my mother wanted me to take up music.
9. It must be difference from the others then.
10. I prefer studying English at home to watch the match.

5 . 单句改错
1. China has made a lot of progresses.
2. Fifty countries donated nearly $80 million for the project.
3. In 18th century, the country Scotland was joined to the UK.
4. Jan’s life has been great improved by the Internet.
5. People’s lives has been changed by online communities.
6. Get to know a little bit about British history will help you solve this puzzle.
7. They had castles building all around England.
8. He asked his fans to make videos, that he then joined together into one performance.
9. I was very afraid but I felt so alone and discouraged.
10. The camera which I bought it yesterday is digital.

6 . 单句改错
1. Seeing from the top of the tower, the mountain is like a sea of trees.
2. By a coincidence, we arrived there at the same time.
3. The bad news made the people very disappointing.
4. The ball was in possession of their opponents for most of the match.
5. Apart from a few faults, he is a faithfully friend.