— ______ did you visit the Great Wall?— Last Sunday.

---_____ does she chat with friends on the Internet?--- Once a week.

Yes.We have to say we are now facing unexpected difficulties ahead, but we finally believe nothing can stop us from serving the people heart and soul, _______?

Mrs. Black doesn’t believe that her son is able to design a digital camera, ______?

You all had a good time yesterday,________?