问题
选择题
I used to ________ to school by bike, but now I am used to ________to school． [ ]
A．go; walking
B．go; walk
C．going; walking
D. going; walk
答案
答案：A
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I used to ________ to school by bike, but now I am used to ________to school． [ ]
A．go; walking
B．go; walk
C．going; walking
D. going; walk
答案：A