Some people think children’s spending time on TV, video and PC games is good, while others think it is bad. Discuss both views and give your own opinion.

The table shows the opening date, the length of the route and the

number

of commuters per year of the underground railway systems in six different cities. They are ordered from the oldest to the newest. In general, the older the railway system is the more kilometres of

route

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the route

a route

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it has. The only exception is Kyoto's which was built earlier than Los Angeles' but its length is less than a half of the latter's,

what

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which

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makes the underground Railway system of Kyoto the shortest one.

On the other hand

, London's subway is the longest by far, almost doubling Paris', which is the

second

in length. The subways with the higher

number

of passengers per year are in the cities of London, Paris and Tokyo. The rest of the undergrounds have a

substancially

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substantially

smaller

number

of annual commuters. Even

suming

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summing

up the passengers of them all the figure is smaller than the

number

of commuters of Paris.