同学们去搬书，每人搬6本或者每人搬8本都剩下3本。这些书最少有（ ）本。
27
As he was too fat, he tried several shirts _______ but ____ fitted him.
A．on; none
B．in; some
C．on; some
D．in; none
对区域市场竞争状况的分析，首先应（）竞争对手，其次（）竞争对手。
