问题
选择题
All the task _____ ahead of time, they decided to go on holiday for a week. [ ]
A. had been finished
B. were finished
C. having been finished
D. been finished
答案
答案：C
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All the task _____ ahead of time, they decided to go on holiday for a week. [ ]
A. had been finished
B. were finished
C. having been finished
D. been finished
答案：C