问题
选择题
I'm very sorry to have bothered you with so many questions on such a(n) ________. [ ]
A. chance
B. opportunity
C. occasion
D. situation
答案
答案：C
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I'm very sorry to have bothered you with so many questions on such a(n) ________. [ ]
A. chance
B. opportunity
C. occasion
D. situation
答案：C