改错题 67.How many of students attended an activity that is irrelevant to them would be interested in the discussion?
【正确答案】 B
【答案解析】这句话的意思是:参加与他们无关的活动的学生中有多少人会对讨论感兴趣?这个句子的谓语是后面的would be,所以此处不需要谓语,而需要分词作定语,修饰students。students与attend之间是主动关系,因此用现在分词attending,故B项正确。