Some people can‘t help （ask）themselves if the advertisements are telling the truth这里填ask的
问题描述：
Some people can‘t help （ask）themselves if the advertisements are telling the truth这里填ask的
答
asking
can\t help doing sth. 情不自禁做某事
答
asking
can't help doing:忍不住...
答
Can't help asking
can't help doing sth 情不自禁做某事
答
填asking，can‘t help+doing译为忍不住做什么，是固定搭配