16. Public transport in London……(1) expensive. The pare depends……….(2) the length of the journey: you can’t buy
books of tickets……….…(3) advance. Children under sixteen pay half, and those under five……(4) free. You usually buy
bus tickets from a……..(5) but on some buses, you…….…..(6) the driver.
On the underground railway you buy your tickets ……(7) a machine or a ticket office, and give……..…(8) up at the end
of the journey.
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