A:103
B:152
C:310
D:215
定义:有一组对角互补的凸四边形叫做“对补四边形”,性质:“对补四边形”一定是圆内接四边形.
- Junior high school days will be over _______ a week. How are you feeling?
- I'm trying to keep my cool because we've been together ________ three years.