Obama was elected to be____President of American again.加不加the?

Obama was elected to be____President of American again.加不加the? Obama was elected ...Obama was elected _____ President of _____ United States.President前填不填“the”?就问这个 Word came that Barack Obama was elected ___president of the United States this year 填空题 冠词here came __ word that Obama was elected __president of USA/,/ Here came _ word that Obama was elected _ presedent of USA需要在横线处填冠词 barack obama is the first ----to be elected president in the U.S.A.' historyA European-American B African-American it was the first time that a female （had been elected） president为什么不能was elected to be Barack Obama was elected _____president of the United States A .a B.an c.the D./ 这里选D,为什么?为什么不能加量词? Bavrack Obama was elected the 44rh president of the unitedstates,____a new charpter inthe country's historyA.opens B.openingC.openedDhaving opened 三道高中英语题.【要有详细的分析和翻译】先谢谢你们1.Here came ___word the Obama was elected ____president.A.a;the B.不填;the C.the;不填 D.不填；不填2.____abstract ,Calileo's theory was quite difficult to understand o 请问下列句子中projected是什么意思?Democratic Senator Barack Obama has been elected the first black president of the United States,according to projected results how excited the Smiths most was that Obama was elected President of the USA once anain1.为什么是how不是what,2.was that 的that可以省略或者用what,how,whether什么替换吗?为什么 she was the first woman to have been elected to such a post.的中文意思 【翻译】In 1914,she was the first woman elected to full membership in the Mechanical Engineers. He was elected to the office of Vice President.如何解释? He was elected --------------(to be a monitor/monitor)为什么答案是monitor By the time California elected to become the thirty-first federal state of the USA in 1850,it wasalready a multicultural society.这句话中elected为什么不是was elected? He was elected monitor 划分句子成分