-Where's Tom? --He's left a _______ saying that he has something to do.
I don’t care what others say about my clothes and hair style, ___________, I have my own beauty sense.
Presently, the old tend to take up some new hobbies ___________they can find a brand new definition of life.
The newcomer’s ___________ nature accounts for his making a large circle of friends soon after his arrival.
---Have you watched the live Oscar Award presentation? ---I ___________it online later because of an important date.
___________2010 Shanghai World Expo will launch ___________underground network of 700 kilometers of pipes to provide natural hearting and cooling.