问题
选择题
There is a police car _____ the bus. The police are watching the traffic.
A. in front of B. in the front of C. in the front
答案
答案：A
题目分析：句意：在公交车前面有一辆警车。警察正在注视交通。A. in front of在事物外部的前面； B. in the front of 在事物内部的前面；C. in the front 在前面。结合句意，此处表示公交车外面的前面。故选A。