minnei 2004-01-16 11:28:34 有英文選項ㄉ問題! tom and i watched the sick dog________.(1)each other (2)one after the other應該2ㄍ都ㄎ已用但我看講義為啥是用第2ㄍ呢!用第一ㄍ語意會不通嗎?