问题
选择题
—Why couldn’t they meet us at five o’clock?
—Because they were delayed by _________.
A．heavy traffic
B．heavy traffics
C．crowded traffic
D．crowded traffics
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—Why couldn’t they meet us at five o’clock?
—Because they were delayed by _________.
A．heavy traffic
B．heavy traffics
C．crowded traffic
D．crowded traffics
答案：A