语法与词汇 He is a very busy person and has so many engagements that only his secretary knows of his _____.无

【正确答案】 A

【答案解析】句意：他是一个非常忙碌的人，有那么多的安排，只有他的秘书知道他的行踪。 whereabouts下落，行踪。 trace痕迹，踪迹。 trail小径；痕迹。 track轨道；足迹。