ItoldSallyhowtogethe的精选

问题详情： ItoldSallyhowtogethere, butperhapsI________forher. A.hadtowriteitoutB.musthavewrittenitoutC.shouldhavewrittenitoutD.oughttowriteitout【回答】【解析】选C。“oughtto/shouldhave+过去分词”表...