David apologized for _______to inform me of the change in the plan.
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.
--I hope he won't get ill during the examinations.--___________ . He has been very well recently.