Odpowiedź :
Odpowiedź:
1. were developed in
2. has been
3. was invented by
Zad 3
1. made from [stali] iron [??]
2. were made
3. were sent
4. wasn't fixed
5. are used
6. [nie wiem]
Wyjaśnienie:
Zadanie 2
1.were developed
3.was invented
Zadanie 3
1.are made of steel
2.were made
3.were sent
4.hasn't been repaired
5.are beeing used
6.will be delivered