英语关于时间状语three days before的问题?这个用于过去完成于的 three days before 能不用用其他的词代替.比如 later ago 或after.他们之间 在用于 表 时间时 具体的区别是什么,都是什么词性?

英语关于时间状语three days before的问题?这个用于过去完成于的 three days before 能不用用其他的词代替.比如 later ago 或after.他们之间 在用于 表 时间时 具体的区别是什么,都是什么词性? 英语一般将来时时间状语问题My father will go to London after three days这样表达正确么?为什么?它与以下这句话有什么区别?My father will go to London in three days. 一道关于时间状语从句连词的英语选择题Ships may have to wait for a couple of days,_____ waves are not rough,permitting them to enter the harbor with safety.A.after B.while C.when D.since these days是什么时态的时间状语 these days 是什么时态的时间状语? during the three days 做状语时的时态during the last three days 做状语时的时态 英语时间状语问题 英语：时间状语从句 为什么一般过去时和现在完成时的时间状语都有时用一般过去时?I visited Lug for three days last summer.为啥不用过去完成时? He wrote the letter last week and posted it three days ago.改成一般现在时态和现在完成时态.要加时间状语! we have a _____ holidayA.three days B.three-days C.three day's D.three days' -Good news.We will have a___holiday.-I've heard it.But it's coming in____.A.three days;three days' time B.three days';three days' C.three-day;three days D.three days;three-day time 根据括号中的汉语提示填写动词,并用since或for补全时间状语,完成下列句子（注意动词与时间状语的搭配）1.He （）the dictionary three days agoHe（）（）the dictionary（）three days（买）2.She（）here ye 关于时间状语的练习It was two days( )the boy began to have a fever A.when B that C since D later that 选哪个呢==为什么? 求一英语单选we are going to have a ________ holiday on MayA.three days' B.three days C.three-day D.three day 求答案+解释（主要是A和C.） Two days is not enough ,we need days A.other three B.more three C.three more D.three anotherTwo days is not enough ,we need days A.other three B.more three C.three more D.three another ( )We had a ___ holiday last week.A.three-days B.three days C.three-day D.three day Two days is not enough ,we need days A.other three B.more three C.three more D.three another