Fill in prepositions where necessary.1. Some parents are ready to pay

Fill in prepositions where necessary.
1. Some parents are ready to pay ___ the education of their children.
2. He's proud ___ his knowledge ___ foreign languages.
3.Public schools ___ England appeared ___ the beginning ___ the 15th century.
4.Her education ___ a medical university lasted ___ 6 years.
5. He is good ___ the chosen career.
6.She's going to devote her future career ___ teaching little children.
7.Our school gives its students excellent knowledge ___ different subjects.
8.He entered ___ the university ___ the age ___ 17.
9.I'm pleased ___ my knowledge ___ Biology.
10.In ancient times people had little knowledge ___ the Earth.