1.quickly, he lost his interest ________ the work and went on to find another job. 答案:in lose his interest in sth“对……失去了兴趣”。 2.mary often argues ________ her friends ________ small things angrily, which sometimes makes them very unhappy. 答案:with; about 句意:玛丽经常气愤地就一些小事和朋友争论,这有时使得他们非常不高兴。argue with sb. about sth.“就某事和某人争论”。