attend vt.参加,出席
attend to 倾听,注意,留心; 关心,照顾,护理; 办理
attend作“参加”的意思讲,则不用加to.例如：I have an important mettenting to attend this afternoon.今天下午,我要参加一个重要会议.
attend作“照顾,处理”的意思讲,则要加to.例如：I have much work to attend to.我有很多事情要做.Take it easy,little Jim can attend to himself well.放心吧,小Jim会照顾好他自己的.