【题目】School kids take part in parades on campus on Halloween, ___________ in colorful costumes, after which there is a small party inside the classroom.
A. dressing B. dressed
C. being dressed D. dress
在线课程【答案】B
【解析】
试题分析：考查非谓语动词。句意：在万圣节，在校园里学生参加游行，穿着五颜六色的衣服，游行之后在教室里有一个小的聚会。be dressed in 穿着---，此处是过去分词做伴随状语，故选B。