教学目标：
一、 知识目标
1、能掌握以下单词：
opening , concert , headmaster , event , guest ,calendar, daytime
2 、能掌握以下句子：
1) I would like to invite y ou to the opening of our new library.
2) I t will be on the morning of Wednesday.
3) Please reply in writing to this invita tion by Friday.
