in the first century AD怎么翻译?

in the first century AD怎么翻译? We live in ( ) A the twenty--first centry B the century twenty-one C century twenty -oneD the century twenty-first THE FIRST MEASURED CENTURY怎么样 The first Olympic Games were held in ___ in the sixth century B.C. ：in the past century (In my opinion,life in the twenty-first century is much easier than it used to in the first part of the 19th century怎么翻译 Which country held the first Olympic Games in the 6th century B.C. the first quarter of the twenty-first century.RT 翻译 in the early nineteenth century. the first book written 为什么用 written17.The first textbook written for teaching English as a foreign language came out in the 16th century. It was in America,therefore,that the great advances in nineteenth century agriculturalmachinery first came.that 后面的语序是不是有问题?应该是the great advances in agricultural machinery in the nineteenth century吧? first genocide of the 21st century.翻译 英语翻译The classical liberal theory of the press derives from the eighteenth century when the principal “media” were public affairs-oriented newspapers.By contrast,media systems in the early twenty-first century are given over largely to ent century 的含义公元224年属于in the second century 还是third century? Of the millions who saw Haley’s comet in 1986,how many people will live long enough to see it return in the twenty-first century. In the late 17th century the first official _____ paper money was issued in Britain.A)printedB)writtenC)copiedD)marked in the 18th century和in 18th century有区别吗?一篇英语阅读里面第一句：when tea and coffee were first introduced to Europe in the 18th century，第一个问题是tea and coffee were first introduced to Europe in______A______A 19th cen