问题
选择题
The government decided to tear down the old bridge, which was not strong enough to allow the ___ of heavy vehicles (车辆).
A．flow
B．entry
C．passage
D．arrival
答案
C
题目分析：A. flow流动，B. entry进入，C. passage通道，D. arrival到达，句意：政府决定拆掉旧桥，它不够牢固不能让车辆通过。选C。