请结合教学经验，为以下教学材料设计教学目标和主要教学活动。(用英文作答)
教学材料：
Anna :Jenny, can you come to my party on Saturday afternoon
Jenny : Sure, I’d love to.
Anna:How about you,Ted Can you come to my party
Ted:I’m sorry,I can’t. I have to help my parents.
Anna:Can you come to my party Tim
Tim:I’m sorry, too. I have a piano lesson.
Anna:That’s too bad. Maybe another time.
Tim : Sure, Anna. Thanks for asking.
【参考答案】
[ Teaching Targets ]( 1 ) Knowledge ObjectivesLearn to read,......