Julie was good at German，French and Russian，all of ________ she spoke fluently.(2011·湖南)

You should report any incident, _______ minor it is.

The so-called Asia—Pacific century will make no sense_____ China develops．

　　　you told me in secret, I had heard nothing about it.

Doctor Brown says that _______ what forceful arguments against cigarette harm there are, many people insist on smoking.