I. Insert prepositions where necessary: of, in, at, of, into, on, of, at, to
1. to be fundamental smth
2. to be a disadvantage
3. to take advantage smth
4. to process smth smth
5. to go the air
6. to be proud smth
7. front smth
8. the national level.

Denis2008111    1   10.05.2020 13:37    4