Giving up smoking is a slow and painful _______ for him.
We must keep our room clean, for dirt and disease go______.
The plans flew smoothly ______ in the sky and people spoke ______ of theexperienced pilots.
Thanks to the good care of the nurses ,the boy is ______ recovering from his lung operation .
Mike came late again. It is _____ of him to keep others waiting.
While sometimes it’s necessary to have phone calls in public, loud phone conversations are not so.