【单选题】. There ___ a pair of glasses on the desk.
【多选题】科学推进易地搬迁扶贫的四个方面是( )。
【单选题】There is a pair of gloves on the bed. Pass ____ to me.
【单选题】拯救无数现代家庭主妇的“不沾锅”的主要成分是聚四氟乙烯,它最早的用武之地却是在举世闻名的( )计划中
【多选题】什么条件会导致距离矢量路由协议协议发送路由表更新
【单选题】There ____ a pair of boots under your bed. [ ]
【简答题】A pair of students practising speaking English there.