影响价格的基本因素是（）
A.产品成本
B.市场供求
C.竞争状况
D.政府政策
参考答案：A
—— What happened to the young trees we planted?
—— The trees＿＿＿＿＿＿well, but I didn’t water them.
A．might grow
B．needn’t have grown
C．would grow
D．would have grown
节目编排
