It is advisable to eliminate those activities that are ______ and you don’t like.

A．we should net pay too much money for it
B．we should keep away from drugs
C．the effect of drugs depends on how much we take it
D．second-hand smoking is as much harmful

A．They hurt their own health only.
B．It's not fair for those who follow the rules.
C．They cause no effect on their team.
D．They are winning respect of the kids.