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.