问题
选择题
The man sat ________ the bus, because he is the driver.
A．in front of
B．at front of
C．in the front of
D．the front of
答案
答案：B
in front of在…前面， in the front of 在…前部(在某范围以内)
at the front of 在…前部与in the front of同意
at…强调“前部的某一点” in强调在…范围的前部 故选B.