Ответ:

1)

1. was invented

2. was followed

3. are made

4. was introduced

5. was recorded

6. were used

7. are used

8. are bought

9. was downloaded

2)

1. The first iPod was introduced in 2001.

2. My laptop was stolen yesterday.

3. The radio was invented by Marconi.

4. Tablets are often used in our classroom.

5. This phone is always charged at night.

6. Toshiba computers are produced in Japan.

7. Phones are usually made of plastic.

8. Our dishwasher is never switched on before 9 p.m.