Questions 21 to 25 are based on the following passage:
As the English language has changed at a fast speed in this century, so has the use of English language.
After the British Broadcasting Corporation （BBC） was founded in 1927, the particular style of speech of the BBC announcers was recognized as Standard English or Received Pronunciation （RP） English. Now, most people still consider that the pronunciation and delivery of BBC announcers is the clearest and most understandable spoken English.
English has had a strong association with class and social status. However, since the Second World War there has been a considerable change of attitude towards speech snobbery, and hallmarks of class distinction such as styles of speech have been gradually discarded, especially by the younger generation.
As the need has arisen, new words have been invented or found from other language and incorporated into English. Similarly, old words and expressions have been discarded as their usefulness has diminished or the fashions have passed. This also happens to styles and modes of speech which became fashionable at a particular time and in specific circumstances.
By the end of the 1960s it became apparent that it was not necessary to speak Standard English or even correct grammar to become popular, successful and rich. The fashionable speech of the day was no longer the prerogative of a privileged class but rather a defiant expression of classlessness.
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