Elephants have their own way to tell the shape of an object and _________ it is rough or smooth.
—I wonder how much you charge(要价) for your services.—The first two are free the third costs¥30.
The discovery of the stolen car led to .
is known to us all is that the 2012 Olympic Games will take place in London.
—Is there any possibility you could pick me up at the airport?—No problem.
When I returned, I found the windows open and something .