【题目】 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 place B. in sight
C. in vain D. in effect
在线课程【答案】C
【解析】
试题分析: 句意：他为自己项目筹钱的努力白费了，因为没有人显示出愿意从口袋里往外掏一分钱的打算。A. in place 适当，在合适的位置；B. in sight 在视线内；C. in vain 徒劳；D. in effect 生效。选C。