A．They are not ready to function in the workplace.
B．They are not gaining as much as before.
C．Their college education is considered useless.
D．Their working experience is not enough.
A．He has three televisions.
B．He watches TV very often.
C．He watches TV only when he is not busy.
D．He watches TV to relax himself.
A．It is a waste of time.
B．It is a waste of energy.
C．It does harm to one's eyesight.
D．It prevents one from being active.