◎ 题干
Mary used to _________ to work,  but she is used to ________to work now.
[     ]
A. riding a bike, taking a bus          
B. riding a bike, take a bus
C. ride a bike, taking a bus            
D. ride a bike, take a bus
◎ 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“Mary used to _________ to work,but she is used to ________to work now.[ ]A. riding a bike, taking a busB. riding a bike, take a busC. ride a bike, taking a b…”主要考查了你对  【动词短语】  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。