В каким предложениях местоимение it не переводиться? 1. Most PCs have one internal hard disk it is usually called.
2. It is known that email attachments from unknown people may contain malware.
3. It is dangerous to give personal information to people you contact in chats.
4. To improve your computer security it is important to run and update antivirus programs regularly
5. It is possible to compress or zip files, so that they use less space.