问题
选择题
We were two hours late that day, which was due to the _________.
A．c
rowded traffic
B．crowded traffics
C．busy traffic
D．busy traffics
答案
答案：C
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We were two hours late that day, which was due to the _________.
A．crowded traffic
B．crowded traffics
C．busy traffic
D．busy traffics
答案：C