SAVING ENERGY PRACTICE TEST 1I. CHOOSE THE WORD OR PHRASE THAT...
25. Energy-saving bulbs should ________ to save electricity.
a. use
b. be use
c. be used
d. used
II. Choose the best option to fill in each of the blanks to make a meaningful passage.
There is now increasing concern about the world’s energy resources, particularly about those
involving fossil (26)
__________
. In less than a hundred years we will probably (27)
_________
all the
present (28)
_________
of oil and gas. The world’s coal (29)
__________
should last longer but, once
used, these cannot be (30)
__________
. It is important, therefore, that we should develop such
(31)
__________
sources of energy as solar energy and nuclear energy as well as water and wind
(32)
__________
(classed as (33)
__________
energy. Until these energy (34)
_________
are widely
used, it is important for the developed countries to reduce energy (35)
_________
as much as
possible.