Ms. Mao,（不明婚姻状况女性用Ms,未婚用Miss,已婚用Mrs）
Thank you for your help on my(你的课程）. I have learnt much when I got along with you. I'm very appreciate for your teaching my（你的课程,比如说英语 ,就写English0. Thank you very much.
Wish you have a good heath.
Yours,XX Ms. Mao,（不明婚姻状况女性用Ms,未婚用Miss,已婚用Mrs）
Thank you for your help on my(你的课程）. I have learnt much when I got along with you. I'm very appreciate for your teaching my（你的课程,比如说英语 ,就写English0. Thank you very much.
Wish you have a good heath.
Yours,XX