Вроде an так как в or начинается с гласной
Нет не существует такого языка
1. educational
2.development
3. variety
4.subdivision
5.teachers
6.politicians
7.admition
8.abilities
9.secondary
10.considerable
11.не видно
12. не видно
13. normally
14. following
15 exams
16. knowledge
1 We came home before it got dark
2 They were happy to see each other again.
3 She watered the flowers up to three hours.