Dear Alex:
Great congratualations on your promotion. I'm very happy to be your Teaching Assistant during your study in Spiiker. You're such a cooperate and hard-working student. And I was so touched by your passion for english learning. And you did a great job on your performance of the imitation with your teacher Hilda.
From the deep of my heart, I give you my best wishes for your promotion.
Yours,
Steven
Dear Alex:
Congratulate on your success of your promotion. I have to say you really showed a great passion on your english learning, you have a protential of it. In our imitation, you can grab the point of my cunning questions,and you did good in giving your answers to them. And I felt so great that we have the same profession,thus, there're so many we can share with each other, and you really showed your side of being professional, and I need to say: I'M SO PROUD OF YOU.
Yours,
Hilda