21£®As a good teacher, he should use different ways to encourage all children to realize their full

       A£®possibility            B£®motivation           C£®potential                  D£®awareness

22£®She’s hoping her first performance in the US will be the first step on the road to success, then she wants to try her ________ in Hollywood.

23£®Having finished his morning work, the manager stood up behind his chair, _______ himself.
   A. practising         B. spreading            C. stretching               D. extending