短語(yǔ)詞組短語(yǔ)Had already studied knowledge 已經(jīng)學(xué)過(guò)的知識(shí)Last had he studied geography 去年他學(xué)地理了Had Studied In France 曾留學(xué)法國(guó)Algerians had studied in Morocco 摩洛哥 返回 have studied