Question

【题目】Dr. Lei often goes to the hospital ________.
A.by a bike
B.by bike
C.ride a bike
D.on bike

Answer 1

【答案】B
【解析】句意：雷医生经常骑自行车去医院。短语go to sw.by bike表示乘自行车去医院，by+交通工具，中间不加任何的冠词。根据句意，故选B。