题目内容
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
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题目内容
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