There is no doubt _________ Qu Yuan has become an everlasting monument in the history of Chinese literature.
English is understood all over the world ________ Turkey is spoken by only a few people outside Turkey itself.
In this factory, it's hard to tell cadres ____ workers.
My brother is very good ___ ping-pong.
Taiwan is ____ the east of Fujian.
He went to Nanjing ___ October, 2008.