The university is saving $ 300,000 per year by its energy ______ efforts.
The other day he ran across one of his friends on the street, whom he for ages.
—This is room I told you about. —Great. It is airy one, isn’t it?
In fact, no dictionary can all the English words and idioms.
—It’s very kind of you to have carried the luggage for me. — .
They asked the government to make ______clear to the public ______ they did was right.