Her mother is too busy______housework_______Tom with his homework.可以选B吗? Her mother is too busy______housework_______Tom with his homework. A.doing;to helpB.to do;to help C.doing;helpingD.to do;helping 这道题除了A可以选B么,说明理由
人气：156 ℃ 时间：2019-08-19 10:20:39
解答
be busy doing sth 忙于做某事 too...to do sth ...太……而不能…… 故正确答案是A ,意思是’她妈妈忙于做家务而不能帮好做作业‘
