She can't help -------- the house because she's busy

答案A 此题容易误选B,简单地套用can't help doing sth这一结构.其实此题应选A,注意以下两个结构均可用,但是含义不同：can't help doing sth =禁不住做某事,情不自禁地做某事；can't help to do sth =不能帮助做某事.前者为引申用法,一般辞书均将其作为固定搭配列出来,许多老师对此也比较强调,从而就使同学们形成了思维定势；而后者为help表示“帮助”时的本义用法,因同学们平时对此不大注意,一看到上面的试题马上就联想到can't help doing sth这一结构,从而误选了B.查看原帖