相關Ifthetraffichadn的文學知識

問題詳情：–Ifthetraffichadn’tbeensoheavy,Icouldhavebeenbackby6o’clock.--Whatapity!Tina         heretoseeyou.A.is     B.hasbeen    C.wouldbe     D.was【回答】D知識點：動詞時態與語...