题干

His efforts to raise money for his program were ________ because no one showed any intention to take a cent out of their pockets.
A.in placeB.in sight
C.in effectD.in vain
上一题 下一题 0.64难度 单项选择 更新时间:2014-03-28 01:09:58

答案(点此获取答案解析)