A cut in the tissue is easy to heal but a(an) _______ to the heart, if possible, takes a long time to do so.
Having passed all the tests, she felt a great weight _____ off her mind.
New ideas sometimes have to wait for years before _____.
Seeing the soldiers well _____ for the flood-fight, the general nodded with satisfaction.
He looked around and caught a man _____ his hand into the pocket of a passenger.
He was very busy yesterday; otherwise, he _____ to the meeting.