2. 外语
  3. New ways have been found to prevent the river ______.

New ways have been found to prevent the river ______.

admin2008-11-13  47
问题 New ways have been found to prevent the river ______.
选项 A、not to be polluted
B、against polluting
C、from polluting
D、from being polluted
答案D
解析 prevent sth from being pp  防止……被……；注意用被动，因为“the river being polluted”
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成人本科学位英语

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