问题补充：
He went to school by car this morning.
A. drive a car to school
B. went to school in a car
C. took a bus to school
D. by car to school
答案：
A. drive a car to school
(答案→)B. went to school in a car
C. took a bus to school
D. by car to school
解析：句意：他今天早上开车去学校。by car表示乘小汽车，是固定表达，相当于in a car,也为固定结构，故选B
