Zetao easily proved himself to be a rising star with four gold medals during the 17th Asian Games, ______was held in Incheon, South Korea last year.

As a new diplomat, he often thinks of how he can react more _________ (合适地) on such occasions.

w English teacher, who is said to have movedback to China, ______ in America for almost ten years.

I must go there earlier. John has suggested that I_____an hour before the discussion begins.

her retired in 2008, _____ he has been devoting his time to gardening.