Standard English is the variety of English which is usually used in print and which is normally taught in schools and to non-native speakers learning the language. It is also the variety which is normally 【21】______ by educated people and used in news broadcasts and other 【22】______ situations. The difference between standard and nonstandard, it should be noted, has 【23】______ in principle to do with differences between formal and colloquial 【24】______ standard English has colloquial as well as formal variants. 【25】______ , the standard variety of English is based on the London 【26】______ of English that developed after the Norman Conquest resulted in the removal of the Court from Winchester to London. This dialect became the one 【27】______ by the educated, and it was developed and promoted 【28】______ a model, or norm, for wider and wider segments of society. It was also the 【29】______ that was carried overseas, but not one unaffected by such export. Today, 【30】______ English is arranged to the extent that the grammar and vocabulary of English are 【31】______ the same everywhere in the world where English is used 【32】______ among local standards is really quite minor, 【33】______ the Singapore, South Africa, and Irish varieties are really very 【34】______ different from one another so far as grammar and vocabulary are 【35】______ . Indeed, Standard English is so powerful that it exerts a tremendous 【36】______ on all local varieties, to the extent that many of long-established dialects of England have 【37】______ much of their vigor and there is considerable pressure on them to be 【38】______ . This latter situation ig not unique 【39】______ English: it is also true in other countries where processes of standardization are 【40】______ . But it sometimes creates problems for speakers who try to strike some kind of compromise between local norms and national, even supranational (跨国的) ones. 【21】