12. When he was appointed to the defeated army, he was ordered to be in danger. 13. Trees are all autumn, and mountains only have light. 14. There is no way to recover from heavy mountains and heavy waters, and there is another village. 15. I don't know about heat, but I regret the long summer. 16. But I looked at my hometown, and the twilight was getting thicker and the river waves were covered with a sad mist. 17. Once you climb to the top of the mountain, you will see that other mountains look very short under the sky .. 18. Why are officials angry? Why do women cry? 19. don't be happy with things, don't be sad with yourself. 20. Then he disappeared around the corner, leaving only hoofprint. 2 1. I want to get wet with my clothes, but I don't feel that I have a bright future.

Test analysis: it is easy to write wrong words when filling in ancient poems, because when reciting ancient poems, only pay attention to pronunciation and don't read the words carefully. In this way, when filling in, we will write other homophones with sounds, so we should pay attention to this problem when studying. For example, we should pay attention to the typos in this question: Hui, Twilight, Ling, Li, Tiao and Zhan. We should judge whether Chinese characters are pictophonetic characters according to the context of the sentence, and judge the correct writing according to the phonetic side.