【单选题】She's never seen such a good film, ____ she? [ ]
【单选题】I've never seen a Shakespeare's play ______ so wonderfully.
【判断题】可以采用相同的方法分解混合成本和总成本。_
【判断题】删除表格时,与该表相关的索引也会一起被删除
【单选题】What had the farm owner's daughter never done?
C.
Had a friend visit her.
【判断题】商务谈判的成本主要包括实际谈判桌上的成本、直接成本和机会成本。
【单选题】He _______any of Chinese paintings before he visited the art museum. B. had never seen C. has never seen D. would never seen