4 . 单句改错
增加：在缺词处加一个(∧)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：在错的词下画一横线，并在该词下面写出修改后的词。
1. Much are being done to protect wildlife, but if we really want to save the planet, we must change our way of life.
2. They were hunted, illegal, for their valuable fur.
3. More and more people are concern about their health.
4. The software has downloaded to help my phone battery last longer.
5. They use the same flag, knowing as the Union Jack, as well as share the same currency and military defence.
6. Ireland’s beautiful countryside has always had a great influence to its people and traditions.
7. Since then, the virtual choir has become a worldwide phenomena.
8. Have you ever faced a time when things look dark and you had no hope at all?
9. The young man benefited doing part-time jobs during the college.
10. The computer doesn’t seem to work well. You’d better get it repair.

5 . 以下各句每句中有一个错误。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. The house belongs my grandfather.
2. You know, I have fall in love to you since the first sight I saw you.
3. Though we have nothing on common, we are good friends.
4. I spent great deal of my time on this work.
5. Most of the people inviting to the party were famous scientists.
6. Encouraging by his teacher, he still has no confidence in overcoming the difficulties.
7. He went home happily with his homework finish.
8. He is shocking at what happened to his son.
9. The film in which they went to see last night was not interesting at all.
10. People`s life have changed by online communities and social work.

6 . Sandwich _________(wrap) with transparent film tightly and securely with no gaps for tampering by finger also came under the definition of “Prepackaged Food”. (所给词的适当形式填空)