The 2010 Expo will take place in Shanghai, ________ many countries consider a good chance to introduce their cultures to the world

The train was ten minutes late , so I _______ have run all the way from my house to the station.

nlinegames are full of violence, which do harm to the development of thechildren —-And that’s_______ my concern lies

______ and no way to reduce her pain and suffering from the terrible disease, the patient sought her doctor’s help to end her life. [ ]

____is known to us all,,things can easily go wrong when people are under______.