Question

假如你是李华你所在的城市图书馆将举办一个关于苏轼的讲座,你的好朋友Henry最在学古诗词你要邀请他

Answer 1

不确定问题的目的。按实际情况，可以电子邮件或者手写邀请函寄给好友herry。内容可以如下:
Hi. This is Li Hua. A good news will share with you.
In my city, the library will hold a lecture on Su Shi. I know that you are studying ancient Chinese poetry recently. Therefore, I would like to invite you to participate, I do not know if you are willing. The address is xxxxxxx. Wait for your good news.

如果有更详细的如时间地点等可以注明。以及联系方式。格式按照常规的书信格式或者随意都可。