21. It's our duty to preserve the planet for future . (generate)
22. He was taken to hospital after being (浸入水中；淹没) in an icy river for 45 minutes.
23.Gandhi was loved and respected for his unceasing struggle for freedom and
(equal).
24. Anyway, I can't deceive him - it's against all my . (原则；准则)
25. He is regarded as one of the most (influence) film directors of his generation.
26. He (辞职)from the company last year in order to take a more challenging job.
