_________ is a growing world problem, and nowadays the United Nations and its member countries _________hard to deal with it．

Does this car give you good _____for your money ?

To make members of a team perform better, the trainer first of all has to know their _____ and weakness.

 We won't know whether it will be successful. We won't know whether there will be good _____.

This dictionary is _____ to my reading, but that one is __________.