问题
选择题
It's so kind of you to help us. Without your help, we couldn't have finished the work___________.
[ ]
A.in a time
B. at no time
C. ahead of time
D. behind time
答案
答案：C
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It's so kind of you to help us. Without your help, we couldn't have finished the work___________.
[ ]
A.in a time
B. at no time
C. ahead of time
D. behind time
答案：C