问题
选择题
In big cities of China, students often _____ bikes, _____ buses or walk to school.[ ]
A. on; by
B. ride; take
C. ride; on
答案
答案：B
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In big cities of China, students often _____ bikes, _____ buses or walk to school.[ ]
A. on; by
B. ride; take
C. ride; on
答案：B