– Have you ________ been to New York?-- No, ________. 

--- did you go to the cinema to see 3D Titannic last night? ---- No, I ________ go to the cinema . The tickets are too expensive

---- __________is the train station from this shopping mall, do you know?---- About 30 minutes by bus.

— _________ has Liu Xiang taken part in world’s competitions of 110-metre hurdles?— I’ve no idea. Let’s find it out on the Internet.

--Teenagers should speak to the old people _________ ?     -- I agree with you.