Although your son made some mistakes, he worked hard at his lessons. You shouldn’t be hard ______ him.
__________ that the group of experts like them immediately.
What way are you thinking of ______rid of the air pollution in our capital city?
They were kept waiting in the snow for a couple of hours,________.
The front door ________ open.I'll have it repaired.
It was in the village_______he once lived_______he got his junior education.