根据题干分析可得:9÷12=75%=6:8=1520=0.75.
故答案为:12;6;20;0.75.
下列关于封闭式基金的说法错误的是()。
A.份额固定,没有赎回压力
B.基金存续期应在5年以上
C.交易在投资者与基金管理人之间完成
D.交易价格受二级市场供求关系的影响
I ______ two tickets for the football match. Would you like to go with me? [ ]
A. bought
B. buy
C. had bought
D. have bought