只有过去式,没有过去分词 Can could May might Must mustWill wouldShall shouldcost(花费）cost cost cut(割） cut cut hit（打） hit hit hurt 损害） hurt hurt let（让)let let put（放)put put am/is was been 是are were been 是babysit babysat babysat 临时照看bear bore born 生...

时间:2025-04-10 11:47栏目:行业资料