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教育資訊:現(xiàn)在完成時(shí)的標(biāo)志
現(xiàn)在完成時(shí)的標(biāo)志有already(肯定),yet(否定 疑問(wèn))just, before, recently, still, lately, never, ever, never, twice,on
現(xiàn)在完成時(shí)的標(biāo)志有already(肯定),yet(否定 疑問(wèn))just, before, recently, still, lately, never, ever, never, twice,on