不动产价格关系到不动产所有权和使用权在（）上的实现，不动产市场运行的秩序和不动产资源的优化配置。
A.价值
B.使用价值
C.货币
D.经济
参考答案：D
His father _______ in Beijing last Wednesday. But he _______ in Shenyang now. [ ]
A. is; was
B. was; is
C. were; is
D. were; was
“手机＋宽带＋3G无线上网卡”校园融合套餐中（）业务为可选项。
