A:是价值规律的要求
B:符合商品生产者的意愿
C:是因为买方市场导致供大于求
D:是因为只有市场的空白点才能赚钱
—Look! That man looks like Mr Brown.
—It __________ be him, for he _________ America.
She ____(滑倒)over on the ice and broke her leg.
岛上地形以____为主,居民多为____族。