中餐单桌宴会宾主位次如何安排？
参考答案：
单桌宴会的主人坐位应设于圆桌正面的中心位置，副主人位应设于主人位的对面，正、副主人位与桌心呈现一条直线。
Had I known her name，I________.[ ]
A．would invite her to lunch
B．would have invited her to lunch
C．invited her to lunch
D．could invite her to lunch
宪法的最高法律效力首先源于宪法的正当性。
