问题
选择题
When changing lanes, a driver should use his turning signal to let other drivers know _______.
A．he is entering which lane
B．which lane he is entering
C．is he entering which lane
D．which lane is he entering
答案
答案：B
题目分析：考查宾语从句：句意：当改变车道的时候，司机应该使用转向信号让其他司机知道他要进入哪个车道。定语从句的语序是陈述句语序，而且疑问词引导宾语从句，选B。