3 zadania w załączniku.

Odpowiedź:
1.
1) exhibited
2) designed
3) installed
4) exhibit
5) discovered
6) produced
7) improved
8) produced
2.
1) designing
2) discovery
3) exhibition
4) improvement
6) installation
7) invention
8) production
3. installation, invention, improvement, creation
Wyjaśnienie: