Since last week,

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Since last week,
为什么说last week 是时间点?谁可以帮我解释细点啊?因为我有些分不清时间点?last week上个星期包括好几天啊?怎么是时间点啊

从去年可以表达为since last year,这个时间点是相对的,跟今年比起来,去年就是一个时间点,这跟你前面用的介词也有关系,比如说,during last year,在上周（这一段时间内）再答：不好意思，打错了，during last week,在上周，这里就表示一段时间

Since last week, He _______ me since last week? a week ago 和since last week 的区别 He borrowed the book last week.改用since last week改写 He has caught a bad cold since last week改错 Jenny is ill.she ___ since last week. I haven’t seen her since last week.意思? The sheep（）one after another since last week. he has left school since last week改错 They borrowed it last week 变同义句They ____ _____it since last last week We＿shree films since last week.A.saw B.see C.have seen D.wil