Пожалуйста, помогите, мне лень это делать самому

Ответ:

1. CDs are made of plastic

2. the information is seen on a screen

3. the answers are calculated very quickly

4. the game is played on a computer

5. emails are sent with a modem

6. information is stored on a disk

7. text messages are sent using mobile phones

8. the internet is used to to get information