Fill in the blanks with the prepositions in the phrases below 1. … a system;
2. carrying … decisions;
3. to be based … feedback;
4. … all managerial levels;
5. to be present … millennia;
6. to operate … various functions;
7. to think … examples … people;
8. to make references … “leaders”;
9. responsible … making decisions;
10. participation … the parts of workers;
11. hiring individuals … appropriate jobs;
12. to offer health care … a community clinic