20. My brother is not old enough for driving a car....
Part 6: Choose the best answer to fill in each of the gaps in the text below
There’s now increasing concern about the world's energy resources, particularly
about those involving fossil (1)_______. In less than a hundred years we shall probably
(2)_____ all the present (3)_____ of oil and gas. The world's coal (4) ____ should last
longer but, once used, these can not be (5) _______.
It is important, therefore, that we should develop such (6) _____ sources of energy
as solar
energy and nuclear energy as well as water and wind (7)_______ (classed as (8)_______
energy).Until these energy (9)____ are widely used, it is important for the developed
countries to reduce energy (10)_______ as much as possible.
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