【题目】The library is ____ the post office and the supermarket.
A. among B. between C. on D. across
【答案】B
【解析】句意:图书馆在邮局和超市之间。考查介词用法。between...and...表示“在……和……之间”,指两者之间;among表示在三者之间,across表示“穿过……,越过,横穿”,指从物体表面穿过,与句意不符,可排除A、C、D三项,故选B项。