To make members of a team perform better, the trainer first of all has to know their ______ and weaknesses.
Affected by the financial crisis, Jack's business is not as good as before, so he has to ________ the expenses of his company.
It was a nice house, but ________ too small for a family to live in.
--The composition is very good. ---Well, at least it is___the one I wrote last week.
I'm not mistaken, Rio de Janeiro of Brazil was chosen as the host city for the 2016 Olympics.
Measures must be taken to prevent pollution ________ happily.