Management theories are ____ but the methodof doing business is different.

She__________myinvitationbecauseofapreviousappointment. [ ]

Oh, there are so many bottles. All of them are full _____ water.—- Yes，but who filled them ______ water

ve you heard of it Firefightersrushed into a burning house, three of them unfortunately _____ in and ______their lives

Once e-mail learners _______ with the basic knowledge of how to use the network, they ______ to a local network and a global network