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 effect
D. in vain
答案:D
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 effect
D. in vain
答案:D