To make members of a team perform better, the trainer first of all has to know their ______ and weaknesses.
As time went by, the plan stuck ____ fairly practical.
It was believed that things would get worse, but ____ it is they are getting better.
The students spent as much time getting trained as they ____ studying.
——Did your sister pass the exam?——She failed and is in low spirits.——I’m sorry for her.——____.
That she hadn’t kept her ____ on her work resulted in the failure.