A. shop
B. people
C. charity
D. survey
A. change
B. swap
C. turn
D. send
A. greener
B. dirty
C. cleaner
D. fresher
A. harm
B. damage
C. pollute
D. protect
A. repeat
B. recycle
C. rewrite
D. remake
A. cook
B. throw
C. wrap
D. take
A. pollute
B. pollution
C. unpolluted
D. polluted
A. electric
B. electrical
C. electrician
D. electricity
A. by
B. instead of
C. because of
D. without
A. fewer
B. less
C. more
D. much
A. harmful
B. lighter
C. dirtier
D. cleaner
A. new
B. cheap
C. reusable
D. reduced
A. of
B. from
C. on
D. in
A. Deforestation
B. Deforest
C. Forest
D. Forestation
A. recycle
B. reuse
C. reduce
D. refill
A. recycle
B. reuse
C. reduce
D. refill
A. recycle
B. reuse
C. reduce
D. refill
A. an exercise
B. a favor
C. a survey
D. an example
A. turn on
B. turn off
C. close
D. shut down
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