一、学习目标：
Knowledge aims: 1) words and phrases : lesson, another, concert, whom, weekday, study for a test, have a(n)……lesson, have to, another time, go to the doctor.
2) Important sentences: —Can you come to my birthday party?
—Sure, I’d love to./ I’m sorry, I have to……
二、教学重难点：
1）熟练掌握情态动词Can 的用法
2）准确表达邀请别人，接受和拒绝别人的邀请。
