21. Stone seldom, _______, refuses to help others when they turn to him, for he is only too ready to do so.

A. if never      B. if not       C. if ever     D. if any

22. After cleaning the skin, she softly _______ a suitable amount of face-cream to the face and neck, and then gently rubbed until it was fully taken in by skin.

 A. polished          B. poured                     C. processed                 D. applied