问题
选择题
In China, people walk ________ of the street(街道).
[ ]
A. on the left
B. on the right
C. in the middle
D. on the left of
答案
答案：B
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In China, people walk ________ of the street(街道).
[ ]
A. on the left
B. on the right
C. in the middle
D. on the left of
答案：B
