题目内容：

假如你叫李华，你想邀请外国朋友David来参加学校的科技节活动（Science Festival）。请你写一封邮件告诉他活动的时间和地点，活动上准备做些什么，以及他需要做哪些准备。

  提示词语：special, invention, do some experiments, notebook

  提示问题：●When and where will you have your Science Festival?

            ●What will you do at the festival?

            ●What is your advice to prepare for the festival?

Dear David,

How is it going?

I’m writing to invite you to our school Science Festival.

___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

I’m looking forward to your early reply.

Yours,

Li Hua