attend的.短语：
attend a meeting参加会议；
attend school上学；去上学；
attend class上课；
attend on照料；侍候；
attend a lecture听关于……的讲座；上课；
attend university上大学；
attend by伴着；
attend at church参加礼拜；
attend on〔upon〕陪伴某人,侍奉某人；
attend on one's master侍候主人；
attend to注意,留心,专心于; 护理；
attend to a customer接待顾客；
attend to a patient护理病人
