1 . 单句改错
1. Artemisinin is thought to save 100,000 life a year in Africa alone.
2. Boiled the sweet wormwood apparently destroyed its medical properties.
3. We talked about music, and food, and holiday destinations, and gradual established a kinship.
4. On October 6, Tu Youyou was awarded with the Nobel Prize.
5. They will send in trained nurses evaluate the needs of the individual patient.

2 .
1. I hope you will always energetic when having classes.
2. He can’t forgive him for not seeing his mother before she died.
3. Mr. Alcott told me that four-fifths of the houses have been sold out.
4. Many children starved death in Africa for lack of food.
5. We invited her to dinner but she hasn’t been turned up so far.
6. I must apologize to you for not be able to meet you.

3 . 单句改错
1. Jenny has been attending on her sick mother for many years.
________________________________________________________________
2. The child was cured his bad habit with the help of his friends.
________________________________________________________________
3. Exposed to the polluted air did harm to his health.
________________________________________________________________
4. We got together at the night he returned from abroad.
________________________________________________________________
5. When will you have your homework hand in?
________________________________________________________________