问题
选择题
Riding a bike to school is a lot more fun than_________. [ ]
A. by bus
B. take a bus
C. on a bus
D. taking a bus
答案
答案：D
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Riding a bike to school is a lot more fun than_________. [ ]
A. by bus
B. take a bus
C. on a bus
D. taking a bus
答案：D