o make members of a team perform better, the trainer first of all has to know their ______________ and weaknesses.
Lei Feng is always ready to help others when they are in trouble and he never _______ their request.
The TV set he _________ works well now.
There are a lot _______ people today than yesterday.
Wang Wei is one of many Chinese students _______ “on the go’.
With the development of science and technology, people’s life _______ in the past few years.