问题
选择题
You can arrive in Beijing earlier for the meeting _____ you don't mind taking the night train. [ ]
A. provided
B. unless
C. though
D. until
答案
答案：A
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You can arrive in Beijing earlier for the meeting _____ you don't mind taking the night train. [ ]
A. provided
B. unless
C. though
D. until
答案：A