单项选择题
I believe that only in the purifying fire of sacrifice（）and the greatness of human soul（）.
A.is the dross of selfishness consumed； set free B.the dross of selfishness is consumed； setting free C.is the dross of selfishness consuming； sets free
单项选择题 I believe that truth and justice are fundamental to（）social order.
单项选择题 The world owes no man（）but that it owes every man an opportunity（）.
单项选择题 They are the principles（）my wife and I have tried to（）our family.
