We chose the persons and these people did      .

 New words selected by the dictionary are closely linked to social phenomena. Instead of being merely words, they are ________ cultural symbols.

Of the two brothers, Bill is    younger one, and he is a quiet boy, _____ that most adults like very much．

A child who lives in an uninteresting environment will develop less intelligence than ______ who lives in a rich and changing environment.

Tom is an aggressive but easygoing person,            will succeed whatever career he chooses.