【单选题】The month before (在……之前) August is _____________. [ ]
【简答题】受电靴与接触轨的接触方式可分为( )、( )、( )。
【简答题】A.Before the end of the month. B.At the beginning of the year. C.Next month. D.Any time.
【多选题】按照总贸易统计方法,出口货物的来源一般有( )。
【简答题】A.Before the end of the month. B.At the beginning of the year. C.Next month. D.Any time.