问题
选择题
It long before we the result of the experiment. [ ]
A.will not be;will know
B.is;will know
C.will not be;know
D.is;know
答案
答案：C
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It long before we the result of the experiment. [ ]
A.will not be;will know
B.is;will know
C.will not be;know
D.is;know
答案：C
