In short， without information， a manager can only make blindly（）. 

单项选择题Havingbeenworkinginlogisticsfor3years，heismorethan（）heusedtobe.

A.proud
B.brave
C.confident

单项选择题Thepriceofcommodities（）onmanyfactorslikequality，demand，supply，etc.

单项选择题Youhavemadeyourclients（）toolongintheoffice.

A.wait
B.to wait
C.waited

单项选择题Productsaregradedaccordingtosizeand（）.

单项选择题Wewillanorderwithyourcompany（）fordigitalcameras.

A.reserve
B.book
C.place