问题
选择题
_______ he worked hard, _______ he failed in the exam. [ ]
A. Although, but
B. Though, but
C. Although, /
D. But, although
答案
答案：C
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_______ he worked hard, _______ he failed in the exam. [ ]
A. Although, but
B. Though, but
C. Although, /
D. But, although
答案：C