问题
选择题
The place _______ the bridge is supposed to be built should be _______ the cross-river traffic is the heaviest.
A．which; where
B．at which; which
C．at which; where
D．which; in which
答案
答案：C
这题第一空考查定语从句，先行词是the place，定语从句中不缺主宾表，填at which="at" the place，第二空填where，是表语从句，意为：在…地方，句意是：这座桥应该建的地方是过河车辆最多的地方。选C。