问题
选择题
At the Spring Festivals, the railways put on _____ trains to make people's travel more convenient. [ ]
A. regular
B. special
C. particular
D. unusual
答案
答案：B
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At the Spring Festivals, the railways put on _____ trains to make people's travel more convenient. [ ]
A. regular
B. special
C. particular
D. unusual
答案：B