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Match the two columns making any necessary changes to form complete sentences.
EXAMPLE
If cargo ships had an extra lining, they wouldn't spill so much oil.
a) cargo ships/have an extra lining                1. oil companies would pump out less oil.
b) we/protect the environment                       2.our planet would be a healthier place to live.
c) people/use other fuels                                 3.the town would look much more attractive.
d) more people/travel by bus                        4. we could breathe the air in our town.
e) people/not litter the streets                       5.they wouldn't spill so much oil.