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
主要测试表语从句。句子意思：建设大桥的地方应该是过河交通最拥挤的地方。第一空属于定语从句；第二空属于表语从句，而且结合语境此处缺少状语。故此选择where。