Didyoutalkbacktoyour的精选

问题详情：—Didyoutalkbacktoyourmotherwhenyouwereachild?—Yes.ButnowIrealizeIwaswrong.Ireallyregret________thatsillythingtomymum.(襄阳)A．do     B．todo    C．doing    D．did【回答】C点拨：regrettodo...