T0 make members 0f a team performbetter,the trainer first of all has to know their_______and weaknesses。

–How can I operate this machine?—Well, just refer to the _______.

Joan has been missing for a couple of days and there is growing _____for her safety.

Peter, a superstar in environment protection, reduces plastic and other _______ through DIY.

In our hometown, a private school was closed down as a _______ of its terribly bad management.