----I called him twicw and I couldn’t get through to him.----The line might have been out of order,_____?

 She doesn’t suppose the prices will go down this week, _______?

— Must I come at four o’clock?— Oh, no, you ____.

You all had a good time yesterday,________?

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, _______?