为什么 USA,America,the United States 都可以是美国的意思

This is Ben.He's from_____ A.the USA B.C.USA D.the America请说出为什么B.America He lives in New York ,the USA .USA前为什么加the 专有名词前面加不加the He lives in New York ,America.America前面为什么不加the America is also called the USA 对the USA提问. America is also called the USA. America is also called the USA. 为什么 USA,America,the United States 都可以是美国的意思 USA,United States,America哪个前面要加the? This girl is from the USA.She is ______(America) 美国为什么既叫america有叫USA Jim is from ( ) .A.the America B.USA C.the USA 既然世界上独一无二的物体前要加the,那为什么China前就不加呢?为什么USA前就要加the呢?America 前加the吗? Is the USA in North America or South America?咋么回答.要英语的 美国英文单词的缩写到底是USA还是the USA?the United States of America 表示美国,那么一般用USA还是the USA来表示美国呢? 为什么in America不加the而in the USA加the要回答的全面些,不要来糊弄我 The USA is the short from of the United States of America.The United States of America is the full name of the USA. Another way of saying the United States is ____ or the United States of _____.A.American;American B.America;america C.a U.S.;the U.S.D.a USA;the U.S.还要说出为什么, 美国人最习惯怎样称呼美国?是 the USA?the US?America?the United States?the United States of America? 英语翻译我知道USA是the United States of America的简称.我意思是它为什么不被翻译成日本,法国,它就被简称美国?