three days ago是时间点吗?如题……那么since three days ago是用过去式还是现完？

three days ago是时间点吗?如题……那么since three days ago是用过去式还是现完？ i brought it here three days ago是现在完成时吗? 过去的点时间有哪些,three years ago 是点时间吗 过去的点时间是什么,three years ago 是点时间吗 we went three days ago 对three days ago three days later 的意思和用法、 与 in three days 的区别.three days ago 是三天前? 三年前three years ago是时间点么?英语上的 where were you three days ago? He saw the film three days ago(对划线部分提问）划线部分是three days ago. ______ ______ he _____ the Linda left Beijing three days ago改为同义句：____ ____from Beijing____ three days ago Paul left China three days ago,(改为同义句Paul ( ) (　　) ( ) ( )China since three days ago. He told us of the place _____he visited three days ago 答案是which /what 为什么? She___(give) the book to me three days ago有ago的话,是用过去式还是完成时呢? they went to beijing three days ago.和the have been in Beijing for three days .句意有区别吗?写错个单词．． 第2句第一个是they --When did your toothache start?--_____.A:About three daysB:Three days laterC:Three days beforeD:About three days ago Three Days好看吗 求证.since 2002 是时间点还是时间段?since 7 days ago.呢,是时间点,还是段?我说的是since 2002 这里的2002 是不是一个具体的时间点。 He left three days ago.(同义句改写) He has () () for three days.