1. Where can I get rid at/of/in/to to old furniture ? 2. We need to invest at/of/in/to renewbale energy. 3. Some cities will be at/of/in/to danger if sea levels rise. 4. People must switch at/of/in/to buses and trains instead of private cars. 5. Do you think computer will take the place at/of/in/to teachers ?
2) in
3) at
4) to
5) of