单项选择题
In short， without information， a manager can only make blindly（）.
单项选择题 Havingbeenworkinginlogisticsfor3years，heismorethan（）heusedtobe.
单项选择题 Thepriceofcommodities（）onmanyfactorslikequality，demand，supply，etc.
单项选择题 Youhavemadeyourclients（）toolongintheoffice.
