It _____ long before we _____ the result of the experiments. [ ]A. will not be; will know B. is; wil

题目简介

It _____ long before we _____ the result of the experiments. [ ]A. will not be; will know B. is; wil

题目详情

It _____ long before we _____ the result of the experiments.
[     ]
A. will not be; will know
B. is; will know
C. will not be; know
D. is; known
题型:单选题难度:中档来源:同步题

答案

C

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