Question

【题目】I like to go to school ______ foot on sunny days but go ______ the bus on rainy days.
A.by; by
B.on; on
C.on; by
D.by; on

Answer 1

【答案】B
【解析】句意：天气好事我喜欢步行去上学单三在雨天我坐公共汽车。on foot步行，on the bus=by bus坐公共汽车，固定短语，故选B。