1. I will never [solve, type, access, use] this puzzle – it is impossible.
2. If you need to write an essay, the Internet will be a useful [means, access, source, search] of all kinds of information.
3. He [replaces, considers, develops, searches] himself an expert on the computer programming.
4. Educational games are very [various, useless, useful, similar] if you want to develop knowledge or skills.
5. The operating system is the main program on a computer that controls how the machine works and [allows, saves, communicates, replaces] other programs to run.
6. I [searched, solved, meant, selected] for any articles by Varenqe on the Web, and I found quite a few.
7. Our [solution, means, control, ability] to speak and think makes us different from animals.
8. All our computers [control, use, perform, type] Windows XP as their operating system.
9. Television is an effective [search, means, way, source] of communication.
10. [Select, highlight, delete, access] the text, which you want to format by holding down the left button on your mouse.