【单选题】. How pleased the detective was _____ what his customer told him!
【判断题】对利润灵敏度指标进行排列时,单价的灵敏度指标总是最高
【判断题】对利润灵敏度指标进行排列时,单价的灵敏度指标总是最高。 ( )
【多选题】下列有关餐饮生产的特点叙述正确的是( )
【单选题】Hearing the news, the girl couldn’t help ______.
【单选题】Until then, her family ______ from her for eight months.
【单选题】Until then, his family ______ from him for six months.
【单选题】___ the frightening news, the old woman couldn't help ___ into tears.