根据句意及首字母填写单词。

1. Our English teacher's p_____ is very nice and clear. We can understand her well.

2. Boys and girls may behave d_____ on the same occasion.

3. It doesn't m_____ that you broke the window. Be careful next time.

4. You made several m _____ in spelling. Pay more attention to your spelling.

5. Careful planning is the s_____ of success.

文学作品诗经中以几言诗歌为主？