---When did you learn the news that Obama made a trip to Canada as President?
--- _________ was on my return.

—Tom has won the 100-meter race.
—__________! He never won it before.

--- Jones! Roy has broken the glass.
---           Such things happen.

— Sorry, sir．I won’t see you off at the airport, my mother has caught a bad cold．
— ________．

—  The war is very likely to break out in the near future.
—  I _____，if the situation goes as it is.

—— Would you please tell the children not to make so much noise?
——Yes. _____________.

--- Shall we go to Xufu Cultural Fair right away?
--- ______.

--I think Nelson Mandela is a great man. Do you think so?
--______ I feel that he is a true hero, too.

—I’ll do the washing-up. Jack, would you please do the floors?
—_______.

--- Go for hiking this Saturday, OK ?
--- ____ . I like getting close to nature.