To make members of a team perform better, the trainer first of all has to know their ______ and weaknesses.
The development of industry has been ____ gradual process throughout ______human existence, from stone tools to modern technology.
---Is there anything else to discuss? ---________, I guess.
It is a general rule that children’s games and books seek to teach and ______ at the same time.
We should admit the fact that some families still can not afford their children going to school education, university ________.
---It’s nearly ten years since my father worked in this company. ---____________?