To make members of a team perform better，the trainer first of all has to know their      and weaknesses．

The managing director took the _____ for the accident, although it was not really his fault.

Thanks to the vivid ______, the speaker made the abstract concept accessible to all the audience.

Besides proper diet, exercise is one of the key ___________of a healthy lifestyle.

Although it is not our normal      to give credit in our shop,this time I think we should consider the matter more closely.