Laughter,alongwithanactivesenseofhumor, 国语站 题库 2.16W 大中小设置文字大小 问题详情: Laughter, along with an active sense of humor, ______ protect you against a heart attack,according to a recent study. A. have helped B. helped C. help D. helps【回答】D 知识点:主谓一致题型:选择题 TAG标签:#