北语19秋《强化口语》(Ⅰ) 离线作业1

奥鹏网院作业

北语19秋《强化口语》(Ⅰ) 离线作业1
《强化口语》（I）作业
Direction: Give answers to the following questions. Your grades will depend on your statements so try to organize your thoughts or ideas to the point but be brief at the same time.
Suppose your friend invites you to attend his/her birthday this Sunday, but you cannot make it. How would you decline this invitation politely? Say something that you are going to do on Sunday. (100%)