1 . 在老师和同学们的大力支持下, 我及时完成了这项任务。(汉译英)

2 . 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.

3 . 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.