1 . 单句改错
1. A man immediately rushed to the girl to give him first aid.
2. It has been a long time since I did anything good for the environment.
3. No doubt money plays an important role in our daily life, but it does not mean nothing.
4. As it is known, we are what we eat.
5. They finally dropped Gina off at her parents' and made our own way home.