题目内容
-How do you usually go to work, Miss Green?
--I usually go to work ___ foot, but sometimes __ my bike.
A. on, by B. on, on C. by, on D. by, by
【答案】
B
【解析】on foot 为固定词组搭配,表示步行去某地,而后者因为bike 前有物主代词,故选B
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