1. Insert the correct prepositions wherever necessary:
1. The girl was introduced ... her colleagues in the morning.
2. In his case the introduction programme lasted ... two days.
3. The decision of the boss will depend ... the impression the young man will make ... the Works Manager.
4. A special commission was formed ... this purpose.
5. The boss wanted the new employee to get familiar ... the most important rules and regulations of the company.
6. They discussed this issue ... the same way that they had discussed many other questions.
7. We were taken ... a tour ... the skyscraper where the offices ... more than a hundred companies are located.
8. We did this exercise ... the beginning ... the lesson.