问题
选择题
After being elected ______ President of ________ United States, Barack Obama moved with his family into ________ White House.
A．/; the; /
B．/; the; the
C．the; /; /
D．/; an; the
答案
答案：B
考查冠词，第一空不填，Presiden这样表示职位的词做补足语，同位语时，不加冠词，第二空填the，特指美国，第三空填the，特指白宫。句意是：在当选美国总统之后，奥巴马和家人搬进了白宫。选B。