48. He was
49. We are
50. Plastic bags will cause
51. Mr. Brown is one of the
52. We were glad that no
53. Listen to me
that they were not coming. (disappoint)
Earth, aren't we? (pollute)
(pollute)
and you can solve the problem. (care)
groups have declared a boycott of tourism on the island. (environment)
of his fans. (disappoint)
54. Some
55. Jackson canceled the concert to the great
56. Don't pump
57. Don't throw away
58. The local authorities have received many letters of
wastes from that factory. (complain)
into seas and rivers or it will pollute them. (sew)
bottles, papers, and glass. Take them to recycling centers. (use)
at about the industrial
(conserve)
were found in the sample. (pollute)
59.
60. The careless
61. She looked at the boys angrily and
62. My room was
63. They are walking along a
64. He was
_! You have successfully held the clean-up campaign. (congratulate)
caused the accident. (drive)
(kind)
69. Energy.
70. Today is a sunny and
65. Solar energy can be used on
66. Exhaust fumes and smoke are
67. Solar energy can also be used on
68. Recycled
77. Energy-saving bulbs help
78. Solar energy is
decorated. (beauty)
path. (rock)
injured in the accident. (serious)
days. (cloud)
are often sold at low prices. (produce)
should be reduced. (consume)
71. Many household
72. The machine will go into full
73. We were all impressed by the speed and
74. Many newer cars have a much lower fuel
day. (cloud)
pe
are expensive to run. (apply)
to our health. (harm)
days. (cloud)
75. The demand for energy and fuel is expected to increase
76. We find advertising on TV very
in November 2020. (produce)
79. You should use energy more
80. They are discussing the preservation of
81. I'm pleased that my secretary solved the problem
82. The high cost of heating and
(effect)
save money. (consume)
by the sun. (provision)
(efficient)
83. The
84. If there is something wrong with the light, ask an
(electric)
85. There have been many
86. Our team played
87. Don't use energy
88. Energy-saving bulbs should be used to save
89. People need to increase their daily
90. The traffic is moving quite
91. Without
of the new system. (efficient)
(consume)
prevents us from wasting electricity. (light)
of the new computer system will be finished next week. (install)
to look at them.
(quick)
resources. (nature)
(effect)
in the field of electrical engineering. (innovate)
We lost. (successful)
Save it! (waste)
(electrical)
of fruit and vegetables. (consume)
this morning. (free)
natural resources will be used up within a hundred years. (conserve)
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