By the time you have completed the essential training,you __
By the time you have completed the essential training,you _______ exposed to virtually every new By the time you have completed the essential training,you _______ exposed to virtually every new feature of the course. A.will have been B.will be C.would have been D.would be
A 训练结束时,课程的每一个新特点你就基本全知道了 by 加 表示将来的时间状语,----- 主句用将来完成时,从句用现在时. 又如 1 by next week, he will have arrived. 2 by the time she comes back next week, I will have done all my work.