相關Whathasmadehimupsetr的文學知識

問題詳情：—Whathasmadehimupsetrecently?—______alonetofaceatroublesomemilkcase.A．Left         B．Beingleft          C．Havingleft         D．Toleave【回答】B知識點：非謂語動詞題型：選...