◎ 题干
he factory ______ its waste into the river, but now it deals with the waste in a new way.    
[     ]
A. used to dump                
B. is used to dump
C. used to dumping              
D. is used to dumping
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“he factory ______ its waste into the river, but now it deals with the waste in a new way.[ ]A. used to dump B. is used to dumpC. used to dumpingD. is used t…”主要考查了你对  【动词短语】【一般过去时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。