Помогите пожалуйста с заданием!!!
Make the following sentences active:
1. Peripheral devices can be attached to the computer.
2. Computer instructions are also called programs.
3. This work is usually performed manually.
4. Computers are used to monitor environmental problems.
5. Today the lives of most of us are affected by a computer every day.
6. This program was damaged by a computer virus.
7. The ’crash behavior’ of the airplane was determined by the scientists.
8. This monitor was designed by Dell Corp.