－Is it OK to take this seat? －Sorry. _______
The girl had hardly rung the bellthe door was opened suddenly, and her friend rushed out to greet her.
Lots of rescue workers were working around the clock, supplies to Yushu, Qinghai Province after the earthquacke.
Stephen Hawking believes that earth is unlikely to be the only planet life has developed gradually.
It's good feeling for people to admire the Shanghai World Expo that gives them pleasure.（）
In this lecture, I can only give you a purelyview of how we can live life to the full and make some suggestions about the future.
－Sorry. _______ －Sorry. _______ 
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