【表扬信怎么写英语】 Dear David,I want to say thanks to you for your helping me on my English study.As you konw ,English is difficult for me ,I am so afraid of reading that I never speak in public.But with your help,I am becoming more confeident now.Though my English level is still low .But I believe that any thing is possible!Once more thanks for your help.YOURS LI 。