giúp nik vs cần gấp 
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II/ read and fill in the blank
In Western countries, electricity, gas, and water (36) .
..not luxuries but necessities.
Companies now realize that consumers want products that will not only work effectively, (37).. .also
save money.
For most North American households, lighting accounts (38).....10 percent to 15 percent of the
electricity bill. (39)...., this amount can be reduced by replacing an ordinary 100-watt light bulb with an
energy-saving bulb. These bulbs use a quarter of the electricity of standard bulb and last eight times longer.
Therefore consumers can save about US$7 to US$21 per bulb.
In Europe, there is a labeling scheme for refrigerator, freezers, washing machines and tumble
dryers. The label tells the consumers (40)....... energy efficiency each model has, compared with other
appliances in the same category.
B. were
В. as
C. was
С. so
C. with
C. Although
C. how
36.A. is
D. are
37.А. and
D. but
В. on
B. Even though
B. how many
38.А. as
D. for
39.A. However
40. A. how much
D. Therefore
D. what