New ways have been found to prevent the river ______.A、not to be pollutedB、agai

游客2025-03-16 26

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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【B1】[br]【B16】A、preventB、giveupC、answerD、leaveAprevent预先防范