cannot help后加什么

　　I cannot help but think that is very important.

　　我只能认定那是很重要的.。

　　In such a case, WHO cannot help you.

　　在此种情况下，世界卫生组织无法给你帮助。

　　I cannot help but often think of my parents.

　　我禁不住经常想到我的父母。

　　When we listen to the crosstalk, we cannot help laughing.

　　听相声，我们情不自禁地笑了起来。

　　Mother cannot get Mary to help do the housework; she always has her nose in a book.

　　母亲叫不动玛丽帮她做家务，她总是忙着看书。