Public transport (1)………… London is expensive. The fare (2)...........on the length of the journey; you can not buy books of tickets in advance. Children (3)..........sixteen pay half and those under five travel free, you usually (4).............bus tickets from a conductor. But on some buses you pay the driver. Most London (5) ...........are double deckers.
On the (6).........railway (or tube) you buy your ticket from a (7)...........or ticket office, and give it up at the (8)..........of the journey. Not all trains from one (9)............go to the same place, so watch the signs. The last train leaves (10)………… about 00.15.