the boy often helps the old woman _____(carry)water

问题描述:

the boy often helps the old woman _____(carry)water

to carry 或者是carry 都可以 help sb to do/do sthhelp后面不是+Ving么?不是 这是固定结构help 后面接动词不定式或动词原形 只有忍不住做某事才是+ving像楼上说的