We must try our best to         the river being polluted any more.A.separateB.ke

We must try our best to         the river being polluted any more.A.separateB.ke

题型:不详难度:来源:
We must try our best to         the river being polluted any more.
A.separateB.keepC.preventD.guard

答案
C
解析

试题分析:句子意思:我们必须尽最大努力去阻止这条河再被污染。Separate分开、(使)分离、区分、隔开;keep保持、保留;guard保卫、守卫;prevent预防、阻止。C选项最合适,且 prevent ( from ) doing sth.阻止做某事,是固定用法。
点评:在平时的学习中,遇到固定句型一定要总结、记忆,在考试中遇到此类题目,直接拿过来用便可以。这些固定句式在高考英语填空和完形中经常考察,进行同义混淆,需要大家熟练掌握。
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