People can help solve the problem of pollution by______.A. urging their governments to control litter and wasteB. cutting down the use of oil and other oil productsC. reducing unnecessary buying, over-consumption and careless disposal of wastesD. making a

题目

People can help solve the problem of pollution by______.

A. urging their governments to control litter and waste

B. cutting down the use of oil and other oil products

C. reducing unnecessary buying, over-consumption and careless disposal of wastes

D. making anti-pollution advertisements


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