28. D. started as one man’s passion
⇒ It was founded in 2001 by a guy called Jimmy Wales. It started as a fancy idea, a kind of hobby and everybody is surprised how popular it has become and how many computer scientists it has attracted
29. B. mostly in English
⇒ It has got a collection of about 1.8 m articles, the majority of which are in English
30. C. there are people who monitor it for mistakes
⇒ The Wikipedia has a team of over 13,000 people who are experts in different fields and who correct any inaccurate information sent by people.
31. B. showed that something was true or correct
⇒ it was very reliable and that they didn’t find many errors.
32.A. you don’t have to pay for it
⇒ The greatest thing of all is that it is free