Вставить предлоги: 1. to think ; 2. career ; 3. selection jobs; 4. it's impossible to make a career knowledge of foreignlanguage; 5. to speak face ; 6. to address smb ; 7. to study english childhood; 8. to study english system.

1. to think about a career
2. career in business 
3. selection in management jobs
4. it's impossible to make a career without a good knowledge of a foreign language
5. to talk face to face
6. I don`t know...((
7. to study English on my childhood
8. to study English for educational system