根据民法理论，_______属于形成权。
A．法定抵销权
B．催告权
C．追认权
D．撤销权
参考答案：A,C,D
—Let's go and play games.
—Sorry, I have ______ work to do. [ ]
A. much too
B. too much
C. too many
组织市场是以某种组织为（）的购买者所构成的市场。
