Помогите вставить предлоги: 1. to think ...career; 2. career ...business; 3. selection ...management jobs; 4. its impossible to make a career ...good knowledge of foreignlanguage; 5. to speak face ...face; 6. to address SMB ...English; 7. to study English ...my childhood; 8. to study English ...educational system.

1. to think about a career
2. career in business 
3. selection in management jobs
4. its 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