A. saw B. looked C. seemed D. watched
A. 计划成本 B. 重置成本 C. 市场价格 D. 估计价值
A. in case B. in brief C. in no case D. in fact
A. relief B. relieve C. belief D. believe
A. 规模 B. 大小 C. 需求 D. 价格