--- Remember to give your mother a call when you get the news. --- ____________  . Don’t worry. 

— Conductor, can I get to Market Street on this subway?— Of course. It’s leaving.    ___________, please．

—How long will you be staying?—I don’t know.______.

--People should stop using their cars and start using public transport. -- __________. The roads are too crowded as it is.

 —Shall we run around the park or go for a bike ride? —______. They are both good activities.