问题
选择题
Mary will go on a _____ visit to Guiyang next week. [ ]
A. two-day
B. two days
C. two day
D. two-days
答案
答案：A
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Mary will go on a _____ visit to Guiyang next week. [ ]
A. two-day
B. two days
C. two day
D. two-days
答案：A