source: English Teacher Jon - LEARN ENGLISH
http://www.engvid.com/
--at/on the corner of
--A is near / close to X.
--X is between A and B.
--It's on Ontario Street (St.)/ Avenue (Ave.) / Court (Crt.) / Lane (Ln.) / Boulevard (Blvd.) / Road (Rd.)
--A is opposite / across from B.
--turn right/left
--go straight
--Hi, sorry to bother you. / Excuse me. Could you tell me how to get to (somewhere)?
