天津大港高三质量调查 第一节 单项填空(共15小题;每小题1分,满分15分) 从A、B、C、D四个选项中,选出最佳选项。 21.Though they are ________ people off different sorts, they always buy dresses of ______ style. A.不填; the B.the; a C.不填; a D.the; the