A society cannot be successful if it throws tradition away,but it cannot be successful ________ if we do something to stop progress. (2013·福建,35)
_________good, the food was soon sold out.
It was not a good idea to go skating. You __________your leg.
Although motor car has been with us for almost a century, I have never been able to drive __________American one.
He___________ when the bus came to a sudden stop.
Why didn't you tell me there was no meeting today? I all the way here through the heavy snow.