1. Being addicted to the Internet, some young people have less time to _______ (交流) with the people in the real world.
2. _______ (从传统上) the people in the area have little contact with the outside world.
3. Being a teacher often _______ (包括) teaching the kids how to face a problem in life.
4. The fire was _______ (蔓延)fast, but we were finally able to get all the people to leave the scene.
