The fact that she never apologized ____a lot about what kind of person she is.
But the unpleasant feeling of coldness disappeared at the _______ of his students pouring out of their classroom to give him a warm, wordless welcome.
A terrible earthquake struck Wenchuan, Sichuan Province on May 12th,_____more than 60,000 deaths.
Take care! There is a nail______of the chair.
As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?
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