问题
选择题
I _____ tell you with certainty that he won't be able to finish it before the deadline. [ ]
A. will
B. must
C. can
D. shall
答案
答案：C
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I _____ tell you with certainty that he won't be able to finish it before the deadline. [ ]
A. will
B. must
C. can
D. shall
答案：C
