【題目】We have only one earth. We should ____ and take actions to protect it.
A.stop to pollute
B.stop polluting
C.to stop to pollute
D.to stop polluting

【答案】B
【解析】句意:我們只有一個(gè)地球。我們應(yīng)該停止污染,采取措施來(lái)保護(hù)它。stop to do sth.:停下來(lái)去做另一件事(兩件事);stop doing sth.:停止做某事(一件事)。結(jié)合句意可知選B。

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