I bought some CDs for my friend and they me ￥30. [ ]
A. paid
B. spent
C. cost
C
下列大洲被三大洋包围的是 [ ]
A．南极洲
B．非洲
C．欧洲
D．大洋洲
炉贝来源于
A．川贝母
B．暗紫贝母
C．浙贝母
D．甘肃贝母
E．梭砂贝母
