by this time next year he___from this college

题目

by this time next year he___from this college
A has graduated B will be graduating
C will have graduated D is graduating

答案

选择c.一：属于将来完成时.将来时用will,完成时have done,将来完成时就是will have done了.二：by＋时间用将来完成时固定搭配