题干
—Do you know what EU stands for, Tommy?
—Sure．It stands for the European Union,______ European political and economic organization that encourages trade and friendship between ______ countries that are members．
—Sure．It stands for the European Union,______ European political and economic organization that encourages trade and friendship between ______ countries that are members．
| A．an; the | B．a; the | C．the; / | D．an; / |
答案(点此获取答案解析）
