一______are you staying in Tibet?—Just for four days．

—Oh, it's so cold. We haven't had such a severe winter for so long, _______ we？—Yes, the forecast says it's going to get worse _______ it warms up.

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, _______?

--Aren’t they beautiful? --           .I don’t like them at all.

-___________your twin brother’s name Nick? – Yes, ________ is.