— You can’t imagine ________ great fun playing computer games is. — Really? But it may cause you a lot of trouble.

--- _________ difference the day made! We were very happy. 

—Do you know that a 13-year-old English boy has done a nuclear experiment successfully? —_______ unusual work he has done!

—Line 3 of the Nanjing Metro will be in use in 2014.—Wow,       !

_______lovely weather and ________ nice time we have !