能平肝潜阳、降逆、止血的药物是
A．珍珠母
B．代赭石
C．花蕊石
D．刺蒺藜
E．石决明
参考答案：B
— I came here by taxi and the driver _____ me 50 yuan.
— Really? You _____ by bus.[ ]
A. paid; should come
B. cost; should have come
C. charged; ought to have come
D. spent; ought to come
