The travel agency has a full program of______, if tourisls wish to visit local places of interest.(2003年上海交通大学考博试题)

单项选择题Up until that time, his interest had focused almost______on fully mastering the skills and techniques of his craft.(2015年北京航空航天大学考博试题)

单项选择题In general, matters which lie entirely within state borders are the ______ concern of state governments.(2013年北京航空大学考博试题)