28. So quit being negative and start recognizing and appreciating the things you are good at.
29. One possible version:
I find the “Walk it ” method is more helpful to me. I’ve ever tried it for some times and it does work. （答案合理即可; 此题为两个问题，一个问题1分）
30. 即使你内心像树叶一样摇摆不定，那么如果你表面上显得很自信，你仍然会给人留下永久的印象。
