商场中一台品牌液晶电视的标价是4999元,经过一番选择,小王付了4999元购买了一台。在这里,4999元体现的货币的职能先后是( )①流通手段 ②支付手段 ③价值尺度 ④贮藏手段
It was not until he came back _____ he knew the police were looking for him.
Was _____ that I saw last night at the concert?
It is _____ my father worked _____ I work now.
It is the protection for the trees _______ really matters, rather than how many trees are planted.
It is _______ he often fails in exams ______ makes his parents worried about him.