13.Thanks for asking(inviting)

谢谢邀请

12.maybe another time 也许下一次吧

11. much too interesting 有趣得多

10. too much homework

太多家庭作业

9. go to one’s guitar lesson

去上吉他课

8.have a piano lesson 上一堂钢琴课

7.visit one’s aunt 看望某人的姑姑　

6.go to the doctor 去看医生

5. study for a test为测验而学习

4. I’m sorry 对不起