Question

Помогите пожалуйста

Answer 1

Ответ:

1 e-book reader

2 satnav

3 satellite TV

4 game console

5 digital radio

6 MP3 player; smartphone

4. 1) was made

2) had been demonstrated

3) have been invested

4) have been produced

5) are sent

6) was introduced

7) is used

8) are discovered

9) will be replaced

Четвертое задание очевидно на пассивный залог, вроде моя тема))