Obama has been elected ______ first black president of the United States, and the international society expects to have ______ new US.A.under his leadership.
A 不填；theB.a; theC.the ; aD.the ; the
网友回答
C解析序数词必须与定冠词the连用，表示顺序，所以第一空用the；表示地名或姓名的专有名词前有形容词修饰时，其转化为普通名词，这是要用不定冠词来限定。