Choose the correct prepositions:

Варианты ответов и условие задания

1. carry ___ daily responsibilities
2. out
3. be negatively influenced ___ some factors
4. by
5. computers are used ___ all spheres of life
6. in
7. stare ___ a computer screen
8. at
9. do something ___ an extended period of time
10. for
11. take care ___ health
12. of