—What are you going to do this weekend?

一_________________________. If time permits, I may go to Shanghai with my friends.

—I'm more than happy to go out this weekend. 

—_________________ We've got so much work to do at that time.

—I'm going to Beijing for a few days.
— _______. I wish I could go with you.

---  Don’t forget to come to our party this weekend!

---  _____________________________

— What are you going to do this weekend?

— ___________. If time permits, I may go to Shanghai with my parents.