It is not until January ,2013 the Presidential election of the United States es to an end we’ll know who is the new president.
A. before; that
B. that; that
C. that ;when
D. when ; that
网友回答
A. before; that
B. that; that
C. that ;when
(答案→)D. when ; that
解析：这题考查定语从句和强调句，第一空填when引导定语从句，修饰January ,2013，第二空填that，是强调句的特殊形式：It’s not until …that…“直到…才”，句意是：直到2013年美国总统选举结束我们才知道谁是新总统选D。