句型转换 完成B句.使其与A句意思相同或相近. A．The government should take measures to prevent people
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句型转换
完成B句，使其与A句意思相同或相近。（每空一词）
A．The government should take measures to prevent people from polluting the rivers.
B．The government should take measures to prevent the rivers _____ _____ _____.
试题答案
答案：from;being;polluted