【題目】The Japanese government must do everything ________ polluted water from running into rivers, lakes, seas and oceans．

A．keep B．kept C．to keep D．keeping

【答案】C

【解析】

試題分析：句意：日本政府一定做每件事情來阻止被污染的水流入河流，湖泊，大海和海洋里。據(jù)句意選不定式做目的狀語。故選C。

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