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‘
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.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
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
英语人气：686 ℃时间：2019-08-19 10:20:39
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