1.This time I will introduce Tang Poetry to you, which is of great help in learning Chinese.这次我要向你介绍唐诗，它对学习汉语有很大帮助。
introduce sb/ sth to sb：向某人介绍某人/某事物
2.In the class, you will mainly learn Tang poetry, which reflects traditional Chinese culture and is deeply loved by Chinese.课堂上，你将主要学习唐诗，唐诗反应了中国传统文化、深受中国人喜爱。
is deeply loved by：深受...喜爱
3.You’d better make full preparations before class and have a brief understanding of the history of Tang Dynasty, which makes it easy for you to go through the class.上课之前，你最好准备充分并且对唐朝历史有一个简单的了解，这会使你上起课来更容易。
make full preparations：做充分准备
have a brief understanding of：对...有简单的了解
4.Not only will our club's works be displayed, but we also have a valuable set of paper-cutting created by a famous artist of this field.不仅我们俱乐部的作品被展示，而且我们也会让这个领域的著名艺术家创作一套有价值的剪纸。
Not only...but also：不仅...而且...
5.Besides, there will be a lot of useful and interesting activities, from which you can have a clearer picture of Chinese culture.而且，将会有许多有用有趣的活动，从中你可以对中国文化有一个更清晰的认识。
6.Thank you for your concern.谢谢你的关心。
7.Any student who is interested is welcome to participate.欢迎任何感兴趣的同学来参加。
8.I sincerely hope you could join us.我真诚地希望你能加入我们。
9.I would appreciate it if you could take my proposal into consideration.如果您能考虑我的建议，我将不胜感激。
10.We would appreciate it if you could reply at your earliest convenience.如果您能尽早回复，我们将不胜感激。
11.Glad to see you have made some progress in Chinese learning and I’m writing to tell you something about our next lesson.很高兴看到你在汉语学习方面的进步，我写信时告诉你关于下次课的一些事情。
have made some progress in：在...方面取得了进步
12.The lesson will be given from 3 pm to 5 pm on the afternoon of next Tuesday in the classroom 502.
13.If there is anything that I can help you, please don’t hesitate to tell me.
14.I sincerely hope you can set aside some time for the art feast.
15.I would appreciate it if you accept my invitation.
16.I'm sure it can leave a wonderful impression on you！我确定它能给你留下深刻印象。
leave a wonderful impression on：给...留下深刻印象
17.Occasionally learning that you are addicted to table tennis, I am writing to sincerely invite you to join the table tennis team in our school aimed at developing our interests and improving our skills.偶然间了解到你对乒乓球很着迷，我写信是诚挚的邀请你参加我们学校的乒乓球队，这个球队旨在开发我们的兴趣和培养我们的技能。
are addicted to：对...入迷
18.If you are interested in what I have stated above, sign up on our school website before September 1st.如果你对我以上陈述的感兴趣，请在九月一号前在我们学校的网站上报名吧。
19.I’m looking forward to your reply even your appearance in our training center soon.
20.Any students who is interested in welcome to participate.任何感兴趣的学生都可以来参加。
21.I am sure everyone will benefit a lot from this activity. 我相信大家都会从这个活动中获益良多。
benefit from sth：受益于某事物
22.I hope I will be accepted as a member of your summer camp. 我希望能成为你们夏令营中的一员。
accept sb as：接纳某人成为…
23.Outdoor activities are really helpful in building up my body and enriching my school life.户外活动确实对我增强体质和丰富学校生活有益。
be helpful in doing sth：对做某事有帮助
24.As Teachers' Day was approaching, our class decided to hold a party to celebrate the important day.教师节日益临近，我们班决定举行聚会来庆祝这个重要的节日。
25.We should take an active part in sports and outdoor activities frequently.我们应该经常积极参加体育运动和户外活动。
take an active part in：积极参与
26.As time went by,I gradually adapted myself to the school life.随着时间的推移，我逐渐适应了学校生活。