By the time you get to Beijing tomorrow,I ____2____ for Shanghai.
题目
By the time you get to Beijing tomorrow,I ____2____ for Shanghai.
By the time you get to Beijingtomorrow,I ____2____ for Shanghai.
A) am leaving
B) should have left
C) will leave
D) have already left（B）
为什么D不可以?
答案
此题应该选择将来完成时.
D是过去完成时.
不会可以继续追问
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