china and the USA为什么USA前面要加定冠词THE

china and the USA为什么USA前面要加定冠词THE In the USA and china ,people driveIn the USA and china ,people drive on the right side 期货：time stock?中央银行：central bank?中美贸易关系：the trade relations between China and USA 还是the trade relationship between China and USA. 英语翻译TESTING SHALL BE CONDUCTED IN THE USA FOR USA DESTINED CABLES AND IN PPC CHINA FOR INTERNATIONAL SHIPMENTS. Besides China,Canada,the USA and some other countries also met (with) heavy snowstorms in 2008'swinter.为什么要加with 这样翻译不就不顺了吗? 为什么英语中有些国家前要加the 而有些不加the 例如the USA China 为什么the USA要加“the”?那China,England前要加“the”吗 求一篇 英语小作文 一百字以内 Old age in China and in the USA Compare labor unions between China and those in the USA/UK? Mary comes from the USA是什么意思?Tom and Mary have mary friends in China.是什么意思 is china bigger than the usa英文 求information on home-schooling and virtual teaching in the USA,England,China and any other countrY 急求英语作文,age in china AND IN USA要求：1.the situation of old people in china2.old people in the usa 3.a conclusion What is the USA most famous forWrite five things the USA is most famous for and five things China is most famous for. ★★★一个句型转换★★★很简单The game Online Traveller is sold in China,the USA and Japan.对 China ,the USA and Japan提问______ _______ _____ is the game Online Traveller_______? It ____,The best house is in the USA,the best wife is in Japan,and the best food is in China.a.tells b.says c.talks d.speaks为什么选C呢? as well known.China is the tired country_____its astronaut in space after Russia and the USA.AsndBsendsCsendingDto send uncle Sam and John stand for the USA and the UK为什么这样表达?