In a debate, you have to be clear of the ______ of the disabled children.
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.
—Are you free after school?—Sorry. I’ve planned to treat a friend of mine to dinner _______for his help.