25. Actions speak louder than words.
行动胜于空谈。
26. The action lasted three hours.
战斗持续了三个小时。
27. He added some wood to increase the fire.
他加了一些木柴，使火旺些。
28. If you add 4 to 5, you get 9.
四加五等于九。
29. The little girl is not very clever at addition.
这个小女孩不太善于做加法。
30. In addition to giving a general introduction to computer, the course also provides practical experience.
课程除了一般介绍电脑知识外，还提供实际操作的机会。
31. There is a letter addressed to you.
有封写给你收的信。
32. He addressed the audience in an eloquent speech.
他向听众发表了雄辩的演说。