来自姜海龙的问题
____hardworkyouhavedone!A.WhatB.HowC.WhataD.Howa
____hardworkyouhavedone!A.WhatB.HowC.WhataD.Howa


____hardworkyouhavedone!A.WhatB.HowC.WhataD.Howa
____hardworkyouhavedone!A.WhatB.HowC.WhataD.Howa
A.What.work不可数.
如果用how应该为howhardyouhavedonethework