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 |
相关知识点
推荐套卷
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 |