Michael’s new house is like a huge palace, with his old one.
The water will be further polluted unless some measures______.
---Excuse me, sir, is this seat taken?---_______.
--- Do you think Bob will attend the meeting this afternoon? --- ______.
The committee asked for these suggestions to be ______ on paper, so that they might study them further.
He is always ready to help others, seldom, ______, refusing them when they turn to him.