Слово образование. ПОМОГИТЕ Безотлагательно. Заблаговременно спасибо.

2 hasn't been fixed

3 exchange, helps

4 learnt, experienced

5 will create

6 was surfing

7 have been advertised, uses

8 had been discussed

9 has been serving

10 stands

2. has not been fixed

3. exchanged, helps

4. learned, experienced

5. will create

6. was surfing

7. have been advertised

8. had been discussed

9. has been surving

10. stands

Вероятно, где-то могут быть оплошности