题目内容
【题目】(2016·天津改编) ＂Boys who worked in the home or community _________ (获得) competence (能力) and came to feel they were worthwhile members of society,＂ said George Vaillant, the psychologist (心理学家) who made the discovery.
【答案】gained
【解析】略
练习册系列答案
相关题目
