吉林大学 / 新视野英语（一）
正确率：100%
—“May I speak to your manager Mr. Williams at five o’clock tonight” —“I’m sorry. Mr. Williams _ _ _ _ _ _ to a conference long before then.”
A.will have gone
B.had gone
C.would have gone
D.has gone
参考答案：
佳题速递：