According to the Natural Approach, language acquisition activities are divided into four groups:affective-humanistic, problem-solving, _____and content activities.
【正确答案】：games
P158
在自然法中,语言习得活动分为四类:情感人文活动( affective-humanistic activities)、解决问题活动(problem-solving activities)游戏活动(games)和内容活动( content activities)