题目内容
Unfortunately, when I dropped in, Professor Li ________, so we only had time for a few words.
[ ]
A.has just left
B.had just left
C.was just leaving
D.just left
答案:C
练习册系列答案
相关题目
题目内容
Unfortunately, when I dropped in, Professor Li ________, so we only had time for a few words.
[ ]