1. When charging, the power indicator is red, when the keyboard is fully charged, the indicator will turn blue.
2. Of course, it goes without saying that you'll be paid for the extra hours you work.
3. The shop said they would replace the television since it was still under guarantee.
4. A techno freak is a person obsessed with technology, especially computers.
5. Wind energy and solar power could provide enough energy for daily needs.
6. I lost the document when the hard drive crashed.
7. At present, medicines for pensioners are free of charge.
8. There are several things we take for granted: food and water, our health, friends and family.
9. In computing, memory is a device or system that is used to store information for immediate use in a computer or related computer hardware and digital electronic devices.
10. She has a busy social life. It seems like there's a party every week.
11. The prison was ordered to tighten security.
12. When someone says that something is not rocket science, they mean that it is not difficult to understand or do.
