Inventions and Technology. Vocabulary

1. 20 years ago people used to work on big ______ computers.

2.A lot of people _____ him on Twitter.

3. Does your friend write a_____ about his life?

4. Do you ever ____ this website? There are a lot of cool articles.

5. This_____ will help you find some useful websites.

6. Can you help me______ my Facebook profile?

7. Sorry, my battery_____while I was calling you.

8. Alexander Fleming____ his most important discovery in 1928.

9. A few days after the______of a new weather satellite, it stopped working.

10. There weren't any doctors on _____ at the hospital last night.

11. We still haven't_____ out why the experiment didn't work.