题干
--How does Jack usually go to school?
--He_____________ride a bike, but now he_______________there to lose weight.
--He_____________ride a bike, but now he_______________there to lose weight.
A：used to, is used to walk
B：was used to, is used to walking
C：was used to, is used to walk
D：used to, is used to walking
答案(点此获取答案解析）
D
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