1. Now, people can _________ to the Internet everywhere with WiFi Hotspot.
2. Viruses might _________ your computer if you don’t install an anti-virus program.
3. PCU is an important _________ in a computer. It’s the computer’s brain.
4. You can change wallpaper to _________ your computer.
5. The _________ for Germany to win Euro 2016 is 70% after a victory over Italy.